applayer/frame: remove output from GetFrame funcs

As these functions can be probed, having output there results in
misleading output.

src/app-layer-htp.c

@@ -194,7 +194,6 @@ static int HTTPGetFrameIdByName(const char *frame_name)
 {
     int id = SCMapEnumNameToValue(frame_name, http_frame_table);
     if (id < 0) {
-        SCLogError(SC_ERR_INVALID_ENUM_MAP, "unknown frame type \"%s\"", frame_name);
         return -1;
     }
     return id;

src/app-layer-ssl.c

@@ -2769,7 +2769,6 @@ static int SSLStateGetFrameIdByName(const char *frame_name)
 {
     int id = SCMapEnumNameToValue(frame_name, tls_frame_table);
     if (id < 0) {
-        SCLogError(SC_ERR_INVALID_ENUM_MAP, "unknown frame type \"%s\"", frame_name);
         return -1;
     }
     return id;