Core/Misc:

- some simplifications in reputation calculation
- removed aura in SPELL_AURA_LINKED should depends on SpellDifficulty
- remove some unneeded variable declarations when it's already declared
- remove some hacks
- fix some warnings in Lfg stuff
- some codestyle changes

src/server/game/Tools/PlayerDump.cpp

@@ -406,7 +406,6 @@ DumpReturn PlayerDumpReader::LoadDump(std::string const& file, uint32 account, s
     if (!fin)
         return DUMP_FILE_OPEN_ERROR;
 
-    QueryResult result = QueryResult(NULL);
     char newguid[20], chraccount[20], newpetid[20], currpetid[20], lastpetid[20];
 
     // make sure the same guid doesn't already exist and is safe to use