Automatically select build architecture and quiet warnings

Signed-off-by: Felix Paul Kühne <fkuehne@videolan.org>

VLC for iOS.xcodeproj/project.pbxproj

@@ -2286,7 +2286,7 @@
 			isa = PBXProject;
 			attributes = {
 				CLASSPREFIX = VLC;
-				LastUpgradeCheck = 0460;
+				LastUpgradeCheck = 0510;
 				ORGANIZATIONNAME = VideoLAN;
 			};
 			buildConfigurationList = 7D94FCD616DE7D1000F2623B /* Build configuration list for PBXProject "VLC for iOS" */;
@@ -3021,7 +3021,6 @@
 		7D94FD0B16DE7D1100F2623B /* Debug */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
-				ARCHS = "$(ARCHS_STANDARD_INCLUDING_64_BIT)";
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				ASSETCATALOG_COMPILER_LAUNCHIMAGE_NAME = LaunchImage;
 				CLANG_ENABLE_OBJC_ARC = YES;
@@ -3068,7 +3067,6 @@
 		7D94FD0C16DE7D1100F2623B /* Release */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
-				ARCHS = "$(ARCHS_STANDARD_INCLUDING_64_BIT)";
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				ASSETCATALOG_COMPILER_LAUNCHIMAGE_NAME = LaunchImage;
 				CLANG_ENABLE_OBJC_ARC = YES;
@@ -3141,7 +3139,6 @@
 		A7035BC0174519E40057DFA7 /* Distribution */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
-				ARCHS = "$(ARCHS_STANDARD_INCLUDING_64_BIT)";
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				ASSETCATALOG_COMPILER_LAUNCHIMAGE_NAME = LaunchImage;
 				CLANG_ENABLE_OBJC_ARC = YES;