chore(core): remove malformed whitespaces (#4244)

* from https://www.codefactor.io/repository/github/azerothcore/azerothcore-wotlk/issues?category=Style&groupId=838&lang=5&page=75

src/common/Database/DatabaseWorkerPool.h

@@ -216,7 +216,6 @@ public:
     }
 
 private:
-
     void Enqueue(SQLOperation* op)
     {
         _queue->enqueue(op);

src/common/Database/Field.h

@@ -18,7 +18,6 @@ class Field
     friend class PreparedResultSet;
 
 public:
-
     [[nodiscard]] bool GetBool() const // Wrapper, actually gets integer
     {
         return (GetUInt8() == 1);
@@ -224,7 +223,6 @@ public:
         }
 #endif
         return static_cast<char const*>(data.value);
-
     }
 
     [[nodiscard]] std::string GetString() const

src/common/Database/MySQLConnection.cpp

@@ -307,7 +307,6 @@ bool MySQLConnection::_Query(PreparedStatement* stmt, MYSQL_RES** pResult, uint6
         *pFieldCount = mysql_stmt_field_count(msql_STMT);
 
         return true;
-
     }
 }
 

src/common/Database/QueryHolder.h

@@ -40,7 +40,6 @@ public:
     SQLQueryHolderTask(SQLQueryHolder* holder, QueryResultHolderFuture res)
         : m_holder(holder), m_result(res) { };
     bool Execute() override;
-
 };
 
-#endif
+#endif

src/common/Database/QueryResult.h

@@ -93,7 +93,6 @@ private:
     void FreeBindBuffer();
     void CleanUp();
     bool _NextRow();
-
 };
 
 typedef std::shared_ptr<PreparedResultSet> PreparedQueryResult;