IDEA-256202 switch to macOS BigSur-style app icons

GitOrigin-RevId: 82238d0f8f1e10a58f8b88490715a220f4f6426f

build/src/org/jetbrains/intellij/build/IdeaCommunityProperties.kt

@@ -144,8 +144,6 @@ open class IdeaCommunityProperties(private val communityHomeDir: Path) : BaseIde
     init {
       icnsPath = "${communityHomeDir}/build/conf/ideaCE/mac/images/idea.icns"
       icnsPathForEAP = "${communityHomeDir}/build/conf/ideaCE/mac/images/communityEAP.icns"
-      icnsPathForAlternativeIcon = "${communityHomeDir}/build/conf/ideaCE/mac/images/idea_com_bigsur.icns"
-      icnsPathForAlternativeIconForEAP = "${communityHomeDir}/build/conf/ideaCE/mac/images/idea_com_EAP_bigsur.icns"
       urlSchemes = listOf("idea")
       associateIpr = true
       fileAssociations = FileAssociation.from("java", "groovy", "kt", "kts")

python/build/src/org/jetbrains/intellij/build/pycharm/PyCharmCommunityProperties.kt

@@ -110,8 +110,6 @@ private class PyCharmCommunityMacDistributionCustomizer(projectHome: Path) : PyC
   init {
     icnsPath = "$projectHome/python/build/resources/PyCharmCore.icns"
     icnsPathForEAP = "$projectHome/python/build/resources/PyCharmCore_EAP.icns"
-    icnsPathForAlternativeIcon = "$projectHome/python/build/resources/PyCharmCore_bigsur.icns"
-    icnsPathForAlternativeIconForEAP = "$projectHome/python/build/resources/PyCharmCore_EAP_bigsur.icns"
     bundleIdentifier = "com.jetbrains.pycharm.ce"
     dmgImagePath = "$projectHome/python/build/resources/dmg_background.tiff"
   }