fix: remove linting issues

Signed-off-by: Muhammad Aaqil <aaqilcs102@gmail.com>

Author: aaqilniz

lib/discovery.js

@@ -298,7 +298,6 @@ function mixinDiscovery(MySQL, mysql) {
     return sql;
   };
 
-
   /**
    * Build query to determine is strict mode
    */
@@ -423,5 +422,4 @@ function mixinDiscovery(MySQL, mysql) {
   MySQL.prototype.setNullableProperty = function(r) {
     r.nullable = r.nullable ? 'Y' : 'N';
   };
-
 }