debug/validate: remove redundant checks

Pointed out by cppcheck.

src/app-layer-htp.c

@@ -750,7 +750,7 @@ static int Setup(Flow *f, HtpState *hstate)
 
     if (NULL == htp) {
 #ifdef DEBUG_VALIDATION
-        BUG_ON(htp == NULL);
+        BUG_ON(1);
 #endif
         /* should never happen if HTPConfigure is properly invoked */
         goto error;

src/output-flow.c

@@ -95,9 +95,7 @@ TmEcode OutputFlowLog(ThreadVars *tv, void *thread_data, Flow *f)
     OutputFlowLogger *logger = list;
     OutputLoggerThreadStore *store = op_thread_data->store;
 
-    DEBUG_VALIDATE_BUG_ON(logger == NULL && store != NULL);
-    DEBUG_VALIDATE_BUG_ON(logger != NULL && store == NULL);
-    DEBUG_VALIDATE_BUG_ON(logger == NULL && store == NULL);
+    DEBUG_VALIDATE_BUG_ON(store == NULL);
 
     while (logger && store) {
         DEBUG_VALIDATE_BUG_ON(logger->LogFunc == NULL);

src/output-packet.c

@@ -94,9 +94,7 @@ static TmEcode OutputPacketLog(ThreadVars *tv, Packet *p, void *thread_data)
     OutputPacketLogger *logger = list;
     OutputLoggerThreadStore *store = op_thread_data->store;
 
-    DEBUG_VALIDATE_BUG_ON(logger == NULL && store != NULL);
-    DEBUG_VALIDATE_BUG_ON(logger != NULL && store == NULL);
-    DEBUG_VALIDATE_BUG_ON(logger == NULL && store == NULL);
+    DEBUG_VALIDATE_BUG_ON(store == NULL);
 
     while (logger && store) {
         DEBUG_VALIDATE_BUG_ON(logger->LogFunc == NULL || logger->ConditionFunc == NULL);