fix: 删除无用代码

src/modules/pages/maintain/forms/components/form.jdbc.ts

@@ -17,8 +17,6 @@ export class FormJdbc extends BI.Widget {
     oldPassword = '';
     allDatabaseTypes = getAllDatabaseTypes();
 
-    private schemas = [] as string[];
-
     testStatus: any;
     advancedSet: any;
     formUser: any;
@@ -674,7 +672,6 @@ export class FormJdbc extends BI.Widget {
     }
 
     public setSchemas(schemas: string[]) {
-        this.schemas = schemas;
         this.form.schema.setEnable(true);
         if (schemas.length > 0) {
             const value = this.form.schema.getValue()[0];