Bug 1061483 follow-up: remove now-unused deleteCharArray function, r=me, a=bustage

--HG--
extra : rebase_source : 63d509bd7b95681227d27a733260bc33b1a22338

security/pkix/test/lib/pkixtestutil.cpp

@@ -52,12 +52,6 @@ const Input sha256WithRSAEncryption(alg_sha256WithRSAEncryption);
 
 namespace {
 
-inline void
-deleteCharArray(char* chars)
-{
-  delete[] chars;
-}
-
 inline void
 fclose_void(FILE* file) {
   (void) fclose(file);