http_header: move all code into keyword files

src/detect-engine-hhd.h

@@ -25,16 +25,4 @@
 
 #include "app-layer-htp.h"
 
-int PrefilterTxHttpRequestHeadersRegister(SigGroupHead *sgh, MpmCtx *mpm_ctx);
-int PrefilterTxHttpResponseHeadersRegister(SigGroupHead *sgh, MpmCtx *mpm_ctx);
-
-int DetectEngineInspectHttpHeader(ThreadVars *tv,
-        DetectEngineCtx *de_ctx, DetectEngineThreadCtx *det_ctx,
-        const Signature *s, const SigMatchData *smd,
-        Flow *f, uint8_t flags, void *alstate, void *tx, uint64_t tx_id);
-
-void DetectEngineCleanHHDBuffers(DetectEngineThreadCtx *det_ctx);
-
-void DetectEngineHttpHeaderRegisterTests(void);
-
 #endif /* __DETECT_ENGINE_HHD_H__ */

src/detect-http-header.h

@@ -27,4 +27,6 @@
 void DetectHttpHeaderRegister(void);
 void DetectHttpRawHeaderRegister(void);
 
+void DetectEngineCleanHHDBuffers(DetectEngineThreadCtx *det_ctx);
+
 #endif /* __DETECT_HTTP_HEADER_H__ */

src/runmode-unittests.c

@@ -195,7 +195,6 @@ static void RegisterUnittests(void)
     MemcmpRegisterTests();
     DetectEngineHttpClientBodyRegisterTests();
     DetectEngineHttpServerBodyRegisterTests();
-    DetectEngineHttpHeaderRegisterTests();
     DetectEngineHttpRawHeaderRegisterTests();
     DetectEngineHttpMethodRegisterTests();
     DetectEngineHttpCookieRegisterTests();