Core/Misc: Remove remaining COMPILER_HAS_CPP11_SUPPORT related macros
Core/Spells: Correct a mistake in HOT aura procs

A crash fix was added in 3e0d2e49448ae5d53baefa0ef3b2df4542aae1dd
but the usage of spellProcEvent itself was incorrect, we should instead use spellProto of aura to be procced
DB/Creature: Remove trigger flags from Dead Caravan mobs

By phoenixfight, closes #11986
DB/Gossip: Fix some gossip stuff
Merge pull request #11984 from Unholychick/patch-1

Core/Spells: Correct a mistake in HoT aura procs
Merge pull request #11968 from Dehravor/cpp11

Core/Misc: Remove remaining COMPILER_HAS_CPP11_SUPPORT related macros
Merge branch 'master' of https://github.com/TrinityCore/TrinityCore