Disallow unused-function, write-strings
Disallow unused-function, write-strings

unused-function was suppressed way back in b2b65842ea.
write-strings was suppressed in 2506cf5cf4.

Neither appears to be needed today.

google/protobuf,google/protobuf,google/protobuf,google/protobuf,google/protobuf,google/protobuf,google/protobuf,google/protobuf,google/protobuf,google/protobuf,google/protobuf