Remove commented include.

libc/inet/rpc/rpc_thread.c

@@ -18,7 +18,6 @@ libc_hidden_proto(__rpc_thread_svc_max_pollfd)
 #ifdef __UCLIBC_HAS_THREADS__
 
 #include <bits/libc-tsd.h>
-//#include <bits/libc-lock.h>
 
 /* Variable used in non-threaded applications or for the first thread.  */
 static struct rpc_thread_variables __libc_tsd_RPC_VARS_mem;