build_script_invocation.py: remove unused cmark opt

Author: MaxDesiatov

utils/swift_build_support/swift_build_support/build_script_invocation.py

@@ -104,7 +104,6 @@ def convert_to_impl_arguments(self):
             "--darwin-deployment-version-watchos=%s" % (
                 args.darwin_deployment_version_watchos),
             "--cmake", toolchain.cmake,
-            "--cmark-build-type", args.cmark_build_variant,
             "--llvm-build-type", args.llvm_build_variant,
             "--swift-build-type", args.swift_build_variant,
             "--swift-stdlib-build-type", args.swift_stdlib_build_variant,