Summary:
This utility is unnecessary with the current usage. Right now it sets
linkage to linkonce_odr and deduplicates metadata nodes. The former is
not required as `-mlink-builtin-bitcode` will internalize all functions
anyway. The deduplication is no longer necessary as `llvm-link` handles
that. Removing this simplifies complexity and make it easier to
cross-build this utility as it no longer depends on host LLVM utilities
to be built in the proejct itself.
f07988ff3e