* Update include
* Clean up `grpc_empty_slice()`
* Clean up `grpc_slice_malloc()`
* Clean up `grpc_slice_unref()`
* Clean up `grpc_slice_ref()`
* Clean up `grpc_slice_split_tail()`
* Clean up `grpc_slice_split_head()`
* Clean up `grpc_slice_sub()`
* Clean up `grpc_slice_buffer_add()`
* Clean up `grpc_slice_buffer_add_indexed()`
* Clean up `grpc_slice_buffer_pop()`
* Clean up `grpc_slice_from_static_buffer()`
* Clean up `grpc_slice_from_copied_buffer()`
* Clean up `grpc_metadata_array_init()`
* Clean up `grpc_metadata_array_destroy()`
* Clean up `gpr_inf_future()`
* Clean up `gpr_time_0()`
* Clean up `grpc_completion_queue_factory_lookup()`
* Clean up `grpc_completion_queue_create()`
* Clean up `grpc_completion_queue_create_for_next()`
* Clean up `grpc_completion_queue_create_for_pluck()`
* Clean up `grpc_completion_queue_shutdown()`
* Clean up `grpc_completion_queue_destroy()`
* Clean up `grpc_completion_queue_pluck()`
* Clean up `gpr_malloc()`
* Clean up `gpr_free()`
* Clean up `grpc_init()`
* Clean up `grpc_shutdown()`
* Clean up `gpr_mu_init()`
* Clean up `gpr_mu_destroy()`
* Clean up `gpr_mu_lock()`
* Clean up `gpr_mu_unlock()`
* Clean up `gpr_cv_init()`
* Clean up `gpr_cv_destroy()`
* Clean up `gpr_cv_wait()`
* Clean up `gpr_cv_signal()`
* Remove `gpr_cv_broadcast()`
Yijie Ma