DRTVWR-427: Remove engineInfoLLImageJ2CKDU(), createLLImageJ2CKDU(),

destroyLLImageJ2CKDU().

These were apparently intended as simple C-style DLL entry points. But as
nobody calls them, and as we decided against building the viewer from DLLs,
they only clutter the code.

indra/llkdu/llimagej2ckdu.cpp

@@ -72,23 +72,6 @@ class kdc_flow_control {
 //
 void set_default_colour_weights(kdu_params *siz);
 
-const char* engineInfoLLImageJ2CKDU()
-{
-	static std::string version = llformat("KDU %s", KDU_CORE_VERSION);
-	return version.c_str();
-}
-
-LLImageJ2CKDU* createLLImageJ2CKDU()
-{
-	return new LLImageJ2CKDU();
-}
-
-void destroyLLImageJ2CKDU(LLImageJ2CKDU* kdu)
-{
-	delete kdu;
-	kdu = NULL;
-}
-
 LLImageJ2CImpl* fallbackCreateLLImageJ2CImpl()
 {
 	return new LLImageJ2CKDU();
@@ -102,7 +85,8 @@ void fallbackDestroyLLImageJ2CImpl(LLImageJ2CImpl* impl)
 
 const char* fallbackEngineInfoLLImageJ2CImpl()
 {
-	return engineInfoLLImageJ2CKDU();
+	static std::string version = llformat("KDU %s", KDU_CORE_VERSION);
+	return version.c_str();
 }
 
 class LLKDUDecodeState

indra/llkdu/llimagej2ckdu.h

@@ -92,16 +92,4 @@ class LLImageJ2CKDU : public LLImageJ2CImpl
 	LLKDUDecodeState *mDecodeState;
 };
 
-#if LL_WINDOWS
-# define LLSYMEXPORT __declspec(dllexport)
-#elif LL_LINUX
-# define LLSYMEXPORT __attribute__ ((visibility("default")))
-#else
-# define LLSYMEXPORT
-#endif
-
-extern "C" LLSYMEXPORT const char* engineInfoLLImageJ2CKDU();
-extern "C" LLSYMEXPORT LLImageJ2CKDU* createLLImageJ2CKDU();
-extern "C" LLSYMEXPORT void destroyLLImageJ2CKDU(LLImageJ2CKDU* kdu);
-
 #endif