Revert "extract_utils: add lib fixup for libprotobuf-cpp-{lite,full}-21.7"

21.7 isn't provided by libprotobuf-cpp-{lite,full}, 21.12 is.

This reverts commit 75e9174.

Change-Id: I6c8961d80d6ef4bc45be1aee6900320c179cf9b1

Author: luk1337

extract_utils/fixups_lib.py

@@ -21,7 +21,6 @@
 
 
 libs_proto_3_9_1 = ('libprotobuf-cpp-lite-3.9.1', 'libprotobuf-cpp-full-3.9.1')
-libs_proto_21_7 = ('libprotobuf-cpp-lite-21.7', 'libprotobuf-cpp-full-21.7')
 libs_proto_21_12 = ('libprotobuf-cpp-lite-21.12', 'libprotobuf-cpp-full-21.12')
 libs_proto_unversioned = ('libprotobuf-cpp-lite', 'libprotobuf-cpp-full')
 
@@ -50,7 +49,6 @@ def lib_fixup_remove_proto_version_suffix(lib: str, *args, **kwargs):
 lib_fixups: lib_fixups_user_type = {
     libs_clang_rt_ubsan: lib_fixup_remove_arch_suffix,
     libs_proto_3_9_1: lib_fixup_vendorcompat,
-    libs_proto_21_7: lib_fixup_remove_proto_version_suffix,
     libs_proto_21_12: lib_fixup_remove_proto_version_suffix,
     libs_proto_unversioned: lib_fixup_vendorcompat,
 }