chore: remove unused decorators

Removed unused decorators

extensions/typeorm/src/typeorm.decorators.ts

@@ -4,42 +4,9 @@
 // License text available at https://opensource.org/licenses/MIT
 
 import {Context, inject, Injection, ResolutionSession} from '@loopback/core';
-import {QueryRunner} from 'typeorm';
 import {TypeOrmBindings} from './typeorm.keys';
 
 export namespace typeorm {
-  export function connection(connectionName?: string) {
-    return inject(
-      '',
-      {decorator: '@typeorm.connection'},
-      async (
-        ctx: Context,
-        injection: Readonly<Injection>,
-        session: ResolutionSession,
-      ) => {
-        return getConnection(ctx, connectionName);
-      },
-    );
-  }
-
-  export function entityManager(
-    connectionName?: string,
-    queryRunner?: QueryRunner,
-  ) {
-    return inject(
-      '',
-      {decorator: '@typeorm.entityManager'},
-      async (
-        ctx: Context,
-        injection: Readonly<Injection>,
-        session: ResolutionSession,
-      ) => {
-        const conn = await getConnection(ctx, connectionName);
-        return conn.createEntityManager(queryRunner);
-      },
-    );
-  }
-
   export function repository(entity: Function, connectionName?: string) {
     return inject(
       '',