Core/Game: Include cleanup part 5

* ObjectMgr.h
* Player.h
* Unit.h
* G3D should no longer propagate everywhere from Spline/MotionMaster

src/server/scripts/Commands/cs_learn.cpp

@@ -24,6 +24,7 @@ EndScriptData */
 
 #include "ScriptMgr.h"
 #include "Chat.h"
+#include "DB2Stores.h"
 #include "Language.h"
 #include "ObjectMgr.h"
 #include "Pet.h"
@@ -31,6 +32,7 @@ EndScriptData */
 #include "RBAC.h"
 #include "SpellInfo.h"
 #include "SpellMgr.h"
+#include "WorldSession.h"
 
 class learn_commandscript : public CommandScript
 {