detect/priority: minor cleanups

src/detect-priority.c

@@ -50,9 +50,7 @@ void DetectPriorityRegister (void)
     sigmatch_table[DETECT_PRIORITY].name = "priority";
     sigmatch_table[DETECT_PRIORITY].desc = "rules with a higher priority will be examined first";
     sigmatch_table[DETECT_PRIORITY].url = DOC_URL DOC_VERSION "/rules/meta.html#priority";
-    sigmatch_table[DETECT_PRIORITY].Match = NULL;
     sigmatch_table[DETECT_PRIORITY].Setup = DetectPrioritySetup;
-    sigmatch_table[DETECT_PRIORITY].Free = NULL;
     sigmatch_table[DETECT_PRIORITY].RegisterTests = SCPriorityRegisterTests;
 
     DetectSetupParseRegexes(PARSE_REGEX, &regex, &regex_study);