Revert "Add -dead_strip in default opt link flags for darwin (bazelbuild#17312)" (bazelbuild#17696)

This reverts commit 0f9912b to fix the regression reported in bazelbuild#17686

Author: ShreeM01

tools/cpp/unix_cc_configure.bzl

@@ -617,7 +617,7 @@ def configure_unix_toolchain(repository_ctx, cpu_value, overriden_tools):
                 ],
             ),
             "%{opt_link_flags}": get_starlark_list(
-                ["-Wl,-dead_strip"] if darwin else _add_linker_option_if_supported(
+                [] if darwin else _add_linker_option_if_supported(
                     repository_ctx,
                     cc,
                     "-Wl,--gc-sections",