fix: remove error event listener before releasing connection back to pool

Signed-off-by: vinod-hansda <[email protected]>

Author: vinod-hansda

lib/postgresql.js

@@ -165,7 +165,7 @@ PostgreSQL.prototype.executeSQL = function(sql, params, options, callback) {
       // Release the connection back to the pool.
       if (releaseCb) {
         releaseCb(err);
-        // Remove error event listeners to avoid possible memory leak
+        // Remove error event listener to avoid possible memory leak
         connection.removeAllListeners('error');
       }
       let result = null;