Merge branch 'gf/unused-includes'

Remove unused includes.

* gf/unused-includes:
  apply.c: remove unnecessary include
  serve.c: remove unnecessary include

builtin/apply.c

@@ -1,7 +1,6 @@
 #include "cache.h"
 #include "builtin.h"
 #include "parse-options.h"
-#include "lockfile.h"
 #include "apply.h"
 
 static const char * const apply_usage[] = {

serve.c

@@ -3,7 +3,6 @@
 #include "config.h"
 #include "pkt-line.h"
 #include "version.h"
-#include "strvec.h"
 #include "ls-refs.h"
 #include "protocol-caps.h"
 #include "serve.h"