[build-script] Use use-linker flag

Switching presets to use the `use-linker` flag consistently instead of
setting the CMake variables directly.

Author: etcwilde

utils/build-presets.ini

@@ -922,11 +922,12 @@ install-libdispatch
 install-swiftformat
 reconfigure
 
+use-linker=gold
+
 # gcc version on amazon linux 2 is too old to configure and build tablegen.
 # Use the clang that we install in the path for macros
 llvm-cmake-options=
   -DCROSS_TOOLCHAIN_FLAGS_LLVM_NATIVE='-DCMAKE_C_COMPILER=clang;-DCMAKE_CXX_COMPILER=clang++'
-  -DCLANG_DEFAULT_LINKER=gold
 
 [preset: buildbot_linux]
 mixin-preset=
@@ -1119,11 +1120,12 @@ reconfigure
 test-optimized
 skip-test-swiftdocc
 
+use-linker=gold
+
 # gcc version on amazon linux 2 is too old to configure and build tablegen.
 # Use the clang that we install in the path for macros
 llvm-cmake-options=
   -DCROSS_TOOLCHAIN_FLAGS_LLVM_NATIVE='-DCMAKE_C_COMPILER=clang;-DCMAKE_CXX_COMPILER=clang++'
-  -DCLANG_DEFAULT_LINKER=gold
 
 [preset: buildbot_linux_1404_no_lldb]
 mixin-preset=buildbot_incremental_linux
@@ -1203,8 +1205,7 @@ reconfigure
 # in Linux CI bots
 relocate-xdg-cache-home-under-build-subdir
 
-llvm-cmake-options=
-  -DCLANG_DEFAULT_LINKER=gold
+use-linker=gold
 
 build-embedded-stdlib-cross-compiling
 
@@ -1833,7 +1834,7 @@ skip-test-osx
 
 [preset: pr_apple_llvm_project_linux]
 
-llvm-cmake-options=-DCLANG_DEFAULT_LINKER=gold
+use-linker=gold
 
 foundation
 libdispatch
@@ -1898,8 +1899,7 @@ skip-test-foundation
 skip-test-libdispatch
 skip-test-xctest
 
-llvm-cmake-options=
-  -DCLANG_DEFAULT_LINKER=gold
+use-linker=gold
 
 # SwiftPM package base
 [preset: mixin_swiftpm_package_macos_platform]
@@ -1935,8 +1935,7 @@ skip-test-xctest
 skip-test-llbuild
 skip-test-swiftpm
 
-llvm-cmake-options=
-  -DCLANG_DEFAULT_LINKER=gold
+use-linker=gold
 
 #===------------------------------------------------------------------------===#
 # Test swiftPM on macOS builder
@@ -2207,8 +2206,7 @@ skip-test-swift
 skip-test-libdispatch
 skip-test-foundation
 
-llvm-cmake-options=
-  -DCLANG_DEFAULT_LINKER=gold
+use-linker=gold
 
 #===------------------------------------------------------------------------===#
 # Remote Mirror Library
@@ -3043,8 +3041,7 @@ install-libdispatch
 install-xctest
 swift-install-components=autolink-driver;compiler;clang-builtin-headers;stdlib;libexec;swift-remote-mirror;sdk-overlay;license
 
-llvm-cmake-options=
-  -DCLANG_DEFAULT_LINKER=gold
+use-linker=gold
 
 [preset: source_compat_suite_macos_DA]
 mixin-preset=source_compat_suite_macos_base
@@ -3131,8 +3128,7 @@ skip-test-swift
 skip-build-benchmarks
 skip-test-foundation
 
-llvm-cmake-options=
-  -DCLANG_DEFAULT_LINKER=gold
+use-linker=gold
 
 #===------------------------------------------------------------------------===#
 # Toolchain Bootstrapping Stages