Remove unnecessary flags from pyinstaller command in CI workflow

Author: samclane

.github/workflows/main.yml

@@ -27,7 +27,7 @@ jobs:
         working-directory: ./lifx_control_panel
         env:
           PYTHONOPTIMIZE: '1'
-        run: pyinstaller --onefile --noupx build_all.spec
+        run: pyinstaller build_all.spec
 
   test:
     runs-on: windows-latest