macOS: build for arm64+x64.

Remove obsolete linker flags needed for LuaJIT 2.0.

platform/xcode/liblove.xcodeproj/project.pbxproj

@@ -5277,7 +5277,6 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
-				ARCHS = x86_64;
 				COMBINE_HIDPI_IMAGES = YES;
 				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
 				DYLIB_COMPATIBILITY_VERSION = 9.0;
@@ -5318,7 +5317,6 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
-				ARCHS = x86_64;
 				COMBINE_HIDPI_IMAGES = YES;
 				DYLIB_COMPATIBILITY_VERSION = 9.0;
 				DYLIB_CURRENT_VERSION = 9.0;
@@ -5358,7 +5356,6 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
-				ARCHS = x86_64;
 				COMBINE_HIDPI_IMAGES = YES;
 				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
 				DYLIB_COMPATIBILITY_VERSION = 9.0;

platform/xcode/love.xcodeproj/project.pbxproj

@@ -436,7 +436,6 @@
 		C01FCF4B08A954540054247B /* Debug */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
-				ARCHS = x86_64;
 				ASSETCATALOG_COMPILER_APPICON_NAME = "OS X AppIcon";
 				CODE_SIGN_ENTITLEMENTS = love.entitlements;
 				CODE_SIGN_IDENTITY = "";
@@ -467,7 +466,6 @@
 		C01FCF4C08A954540054247B /* Release */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
-				ARCHS = x86_64;
 				ASSETCATALOG_COMPILER_APPICON_NAME = "OS X AppIcon";
 				CODE_SIGN_ENTITLEMENTS = love.entitlements;
 				CODE_SIGN_IDENTITY = "";
@@ -557,13 +555,6 @@
 				LD_RUNPATH_SEARCH_PATHS = "@loader_path/../Frameworks";
 				MACOSX_DEPLOYMENT_TARGET = 10.7;
 				ONLY_ACTIVE_ARCH = YES;
-				OTHER_LDFLAGS = "";
-				"OTHER_LDFLAGS[arch=x86_64]" = (
-					"-pagezero_size",
-					10000,
-					"-image_base",
-					100000000,
-				);
 				PRODUCT_NAME = love;
 				SDKROOT = macosx;
 				WARNING_CFLAGS = (
@@ -639,13 +630,6 @@
 				LLVM_LTO = YES;
 				MACOSX_DEPLOYMENT_TARGET = 10.7;
 				ONLY_ACTIVE_ARCH = NO;
-				OTHER_LDFLAGS = "";
-				"OTHER_LDFLAGS[arch=x86_64]" = (
-					"-pagezero_size",
-					10000,
-					"-image_base",
-					100000000,
-				);
 				PRODUCT_NAME = love;
 				SCAN_ALL_SOURCE_FILES_FOR_INCLUDES = YES;
 				SDKROOT = macosx;
@@ -870,13 +854,6 @@
 				LLVM_LTO = YES;
 				MACOSX_DEPLOYMENT_TARGET = 10.7;
 				ONLY_ACTIVE_ARCH = NO;
-				OTHER_LDFLAGS = "";
-				"OTHER_LDFLAGS[arch=x86_64]" = (
-					"-pagezero_size",
-					10000,
-					"-image_base",
-					100000000,
-				);
 				PRODUCT_NAME = love;
 				SCAN_ALL_SOURCE_FILES_FOR_INCLUDES = YES;
 				SDKROOT = macosx;
@@ -890,7 +867,6 @@
 		FA5326C718971A0900F7BBF4 /* Distribution */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
-				ARCHS = x86_64;
 				ASSETCATALOG_COMPILER_APPICON_NAME = "OS X AppIcon";
 				CODE_SIGN_ENTITLEMENTS = love.entitlements;
 				CODE_SIGN_IDENTITY = "";