Don't deploy icuuc.dll into the application folder

Author: cgutman

scripts/build-arch.bat

@@ -222,7 +222,7 @@ echo Deploying Qt dependencies
 %WINDEPLOYQT_CMD% --dir %DEPLOY_FOLDER% --%BUILD_CONFIG% --qmldir %SOURCE_ROOT%\app\gui --no-opengl-sw --no-compiler-runtime --no-sql %WINDEPLOYQT_ARGS% %BUILD_FOLDER%\app\%BUILD_CONFIG%\Moonlight.exe
 if !ERRORLEVEL! NEQ 0 goto Error
 
-echo Deleting unused styles
+echo Deleting unused files
 rem Qt 5.x directories
 rmdir /s /q %DEPLOY_FOLDER%\QtQuick\Controls.2\Fusion
 rmdir /s /q %DEPLOY_FOLDER%\QtQuick\Controls.2\Imagine
@@ -234,6 +234,8 @@ rmdir /s /q %DEPLOY_FOLDER%\qml\QtQuick\Controls\Universal
 rmdir /s /q %DEPLOY_FOLDER%\qml\QtQuick\Controls\Windows
 rmdir /s /q %DEPLOY_FOLDER%\qml\QtQuick\Controls\FluentWinUI3
 rmdir /s /q %DEPLOY_FOLDER%\qml\QtQuick\NativeStyle
+rem icuuc.dll ships with all supported OSes (and Qt incorrectly deploys the x64 version on ARM64)
+del %DEPLOY_FOLDER%\icuuc.dll
 
 if "%SIGN%"=="1" (
     echo Signing deployed binaries