detect/config: do not support keyword in TD rules

First part: rule keyword.

Ticket: #9041

src/detect-config.c

@@ -82,7 +82,7 @@ void DetectConfigRegister(void)
 #ifdef UNITTESTS
     sigmatch_table[DETECT_CONFIG].RegisterTests = DetectConfigRegisterTests;
 #endif
-    sigmatch_table[DETECT_CONFIG].flags = SIGMATCH_SUPPORT_FIREWALL;
+    sigmatch_table[DETECT_CONFIG].flags = SIGMATCH_SUPPORT_FIREWALL | SIGMATCH_BAN_TD_FIREWALL_MODE;
     DetectSetupParseRegexes(PARSE_REGEX, &parse_regex);
 }