undo: macOS Do not switch to the dark theme

This issue is fixed in newer LCL version.

[skip ci]

Author: GerryFerdinandus

enduser/macos/app/trackereditor.app/Contents/Info.plist

@@ -43,7 +43,5 @@
   <string>iconfile</string>
   <key>NSHighResolutionCapable</key>
   <true/>
-  <key>NSRequiresAquaSystemAppearance</key>
-  <string>YES</string>
 </dict>
 </plist>