Remove un-needed method overwrites (#14372)

src/Illuminate/Database/Query/Grammars/PostgresGrammar.php

@@ -49,42 +49,6 @@ protected function whereDate(Builder $query, $where)
         return $this->wrap($where['column']).'::date '.$where['operator'].' '.$value;
     }
 
-    /**
-     * Compile a "where day" clause.
-     *
-     * @param  \Illuminate\Database\Query\Builder  $query
-     * @param  array  $where
-     * @return string
-     */
-    protected function whereDay(Builder $query, $where)
-    {
-        return $this->dateBasedWhere('day', $query, $where);
-    }
-
-    /**
-     * Compile a "where month" clause.
-     *
-     * @param  \Illuminate\Database\Query\Builder  $query
-     * @param  array  $where
-     * @return string
-     */
-    protected function whereMonth(Builder $query, $where)
-    {
-        return $this->dateBasedWhere('month', $query, $where);
-    }
-
-    /**
-     * Compile a "where year" clause.
-     *
-     * @param  \Illuminate\Database\Query\Builder  $query
-     * @param  array  $where
-     * @return string
-     */
-    protected function whereYear(Builder $query, $where)
-    {
-        return $this->dateBasedWhere('year', $query, $where);
-    }
-
     /**
      * Compile a date based where clause.
      *