feat(CI/Codestyle): added codestyle check (#3668)

src/server/game/Groups/Group.cpp

@@ -141,7 +141,6 @@ bool Group::Create(Player* leader)
 
         CharacterDatabase.Execute(stmt);
 
-
         ASSERT(AddMember(leader)); // If the leader can't be added to a new group because it appears full, something is clearly wrong.
     }
     else if (!AddMember(leader))

src/server/game/Groups/GroupMgr.h

@@ -30,7 +30,6 @@ public:
     void AddGroup(Group* group);
     void RemoveGroup(Group* group);
 
-
 protected:
     typedef std::vector<bool> GroupIds;
     GroupIds         _groupIds;

src/server/game/Groups/GroupRefManager.h

@@ -20,4 +20,3 @@ public:
     GroupReference const* getFirst() const { return ((GroupReference const*)RefManager<Group, Player>::getFirst()); }
 };
 #endif
-

src/server/game/Groups/GroupReference.cpp

@@ -22,4 +22,3 @@ void GroupReference::sourceObjectDestroyLink()
 {
     // called from invalidate()
 }
-

src/server/game/Groups/GroupReference.h

@@ -28,4 +28,3 @@ public:
     void setSubGroup(uint8 pSubGroup) { iSubGroup = pSubGroup; }
 };
 #endif
-