cleanup pg_graphql #1 (#7673)

## Context
This PR removes workspace-query-runner/builder in preparation for fully
deprecating pg_graphql

next steps: Remove from the setup and make a command to remove comments
on schema/tables related to pg_graphql

packages/twenty-server/src/engine/workspace-manager/workspace-migration-runner/workspace-migration-runner.service.ts

@@ -271,11 +271,6 @@ export class WorkspaceMigrationRunnerService {
         columns,
       );
     }
-
-    // Enable totalCount for the table
-    await queryRunner.query(`
-      COMMENT ON TABLE "${schemaName}"."${tableName}" IS '@graphql({"totalCount": {"enabled": true}})';
-    `);
   }
 
   /**