Delete message when no more association (#3701)

* Delete message when no more association

* remove unused injections

* rename methods

* fix after review

packages/twenty-server/src/workspace/messaging/message/message.module.ts

@@ -0,0 +1,11 @@
+import { Module } from '@nestjs/common';
+
+import { MessageService } from 'src/workspace/messaging/message/message.service';
+import { WorkspaceDataSourceModule } from 'src/workspace/workspace-datasource/workspace-datasource.module';
+
+@Module({
+  imports: [WorkspaceDataSourceModule],
+  providers: [MessageService],
+  exports: [MessageService],
+})
+export class MessageModule {}