Revert "build-script: Build core foundation tests without debug info to workaround a linker crash"

Author: bnbarham

utils/swift_build_support/swift_build_support/products/foundationtests.py

@@ -78,13 +78,6 @@ def test(self, host_target):
         ]
         if self.args.verbose_build:
             cmd.append('--verbose')
-
-        # On amazon-linux2 the gold linker (version 1.14) crashes when linking
-        # debug info. Workaround this issue by building without debug info.
-        # rdar://137760869
-        if host_target.startswith('linux'):
-            cmd += ['-Xswiftc', '-gnone']
-
         shell.call(cmd, env={
             'SWIFTCI_USE_LOCAL_DEPS': '1',
             'DISPATCH_INCLUDE_PATH': include_path