This mod allows you to re-order the icons along the main menu screen, as well as remove them without affecting gameplay.
I'm a bit picky and wanted things to look clean, I've order mine with Helicopters first, then Red aircraft, then Blue in an order that makes sense to me; You can do the same now too.

Integrity Check passes (tested on growling sidewinder server)

NOTE: It changes the main menu screen, it does not prevent a module from operating behind the scenes (e.g. I've hidden terrains but they still work). In contrast if you were to remove terrains from pluginsEnabled.lua it would actually stop working as well.

To install in the main-game folder:
1. Backup your existing plPanel.lua file - it may be needed after updates to the menu.
2. Replace your DCS World OpenBeta\MissionEditor\modules\plPanel.lua file with the one provided. If you're installing manually, don't copy any folders just copy the file (the folders are for JSGME mod manager)
3. Look at the entries in the plPanel.lua where all the lines "InsertOneItem(" are. Re-order the modules as you like and add any other modules you wish (below is a list of module IDs).

It is recommended to use JSGME or other mod manager, because updates will most likely overwrite these changes.
Note this must go in the main game folder NOT saved games, I've tried but it doesn't work in saved games.

TAIPAN_(Dan)

Each line below is one line of code corresponding to some possible modules. For any others, open the "entry.lua" of your module to find the ID.

    InsertOneItem(self,a_data,tmpData,"A-10C Warthog by Eagle Dynamics")
    InsertOneItem(self,a_data,tmpData,"AJS37 Viggen by Heatblur Simulations")
    InsertOneItem(self,a_data,tmpData,"MiG-19P by RAZBAM")
    InsertOneItem(self,a_data,tmpData,"Edge540 FM by Aero")
    InsertOneItem(self,a_data,tmpData,"Syria")
    InsertOneItem(self,a_data,tmpData,"M-2000C by RAZBAM Sims")
    InsertOneItem(self,a_data,tmpData,"AV-8B N/A by RAZBAM Sims")
    InsertOneItem(self,a_data,tmpData,"VAICOM PRO by Hollywood_315")
    InsertOneItem(self,a_data,tmpData,"Normandy")
    InsertOneItem(self,a_data,tmpData,"Nevada")
    InsertOneItem(self,a_data,tmpData,"MB-339PAN Original model by FTV")
    InsertOneItem(self,a_data,tmpData,"Supercarrier")
    InsertOneItem(self,a_data,tmpData,"PersianGulf")
    InsertOneItem(self,a_data,tmpData,"Christen Eagle II by Magnitude 3 LLC")
    InsertOneItem(self,a_data,tmpData,"I-16 by OctopusG")
    InsertOneItem(self,a_data,tmpData,"F-5E by Belsimtek")
    InsertOneItem(self,a_data,tmpData,"F-16C bl.50")
    InsertOneItem(self,a_data,tmpData,"Combined Arms by Eagle Dynamics")
    InsertOneItem(self,a_data,tmpData,"JF-17 by Deka Ironwork Simulations")
    InsertOneItem(self,a_data,tmpData,"A-10C II Warthog by Eagle Dynamics")
    InsertOneItem(self,a_data,tmpData,"F-15C")
    InsertOneItem(self,a_data,tmpData,"VAICOM PRO by 315 Interactive")
    InsertOneItem(self,a_data,tmpData,"SA342 Gazelle by Polychop-Simulations")
    InsertOneItem(self,a_data,tmpData,"MiG-29 Fulcrum by Eagle Dynamics")
    InsertOneItem(self,a_data,tmpData,"Ka-50 Black Shark by Eagle Dynamics")
    InsertOneItem(self,a_data,tmpData,"Caucasus")
    InsertOneItem(self,a_data,tmpData,"F-86F Sabre by Belsimtek")
    InsertOneItem(self,a_data,tmpData,"A-10A by Eagle Dynamics")
    InsertOneItem(self,a_data,tmpData,"A-4E-C")
    InsertOneItem(self,a_data,tmpData,"MiG-21Bis by Magnitude 3 LLC")
    InsertOneItem(self,a_data,tmpData,"P-47D-30 by Eagle Dynamics")
    InsertOneItem(self,a_data,tmpData,"TF-51D Mustang by Eagle Dynamics")
    InsertOneItem(self,a_data,tmpData,"Su-27 Flanker by Eagle Dynamics")
    InsertOneItem(self,a_data,tmpData,"DCS-SRS")
    InsertOneItem(self,a_data,tmpData,"NS430_Mi-8MT")
    InsertOneItem(self,a_data,tmpData,"F/A-18C")
    InsertOneItem(self,a_data,tmpData,"Su-25A by Eagle Dynamics")
    InsertOneItem(self,a_data,tmpData,"L-39C")
    InsertOneItem(self,a_data,tmpData,"NS430_C-101CC")
    InsertOneItem(self,a_data,tmpData,"Bf 109 K-4 by Eagle Dynamics")
    InsertOneItem(self,a_data,tmpData,"Yak-52 by Eagle Dynamics")
    InsertOneItem(self,a_data,tmpData,"F-14B by Heatblur Simulations")
    InsertOneItem(self,a_data,tmpData,"FW-190D9 Dora by Eagle Dynamics")
    InsertOneItem(self,a_data,tmpData,"NS430_C-101EB")
    InsertOneItem(self,a_data,tmpData,"NS430_L-39C")
    InsertOneItem(self,a_data,tmpData,"Spitfire LF Mk. IX by Eagle Dynamics")
    InsertOneItem(self,a_data,tmpData,"SU-57 PAK FA by CUBANACE SIMULATIONS")
    InsertOneItem(self,a_data,tmpData,"UH-1H Huey by Belsimtek")
    InsertOneItem(self,a_data,tmpData,"C-101 Aviojet")
    InsertOneItem(self,a_data,tmpData,"MiG-15bis by Belsimtek")
    InsertOneItem(self,a_data,tmpData,"NS430")
    InsertOneItem(self,a_data,tmpData,"TheChannel")
    InsertOneItem(self,a_data,tmpData,"Mi-8MTV2 Hip by Belsimtek")
    InsertOneItem(self,a_data,tmpData,"NS430_SA342")
    InsertOneItem(self,a_data,tmpData,"Su-25T by Eagle Dynamics")
    InsertOneItem(self,a_data,tmpData,"Fw 190 A-8 by Eagle Dynamics")
    InsertOneItem(self,a_data,tmpData,"Tacview by Raia Software")
    InsertOneItem(self,a_data,tmpData,"VARS Pylons 2019 by GrinnelliDesigns")
    InsertOneItem(self,a_data,tmpData,"P-51D Mustang by Eagle Dynamics")
    InsertOneItem(self,a_data,tmpData,"Su-33 Flanker by Eagle Dynamics")
    InsertOneItem(self,a_data,tmpData,"jsAvionics")
    InsertOneItem(self,a_data,tmpData,"Flaming Cliffs by Eagle Dynamics")

Or open the "entry.lua" file for your favourite module and find the full ID at the top of the file