stream_op cleanup: surface layer

src/core/surface/byte_buffer_queue.c

src/core/surface/byte_buffer_queue.h

src/core/surface/call.c

src/core/surface/call.h

src/core/surface/call_log_batch.c

src/core/surface/call_test_only.h

src/core/surface/completion_queue.c

src/core/surface/completion_queue.h

src/core/surface/init.c

src/core/surface/lame_client.c

src/core/surface/server.c