chore(*): remove unused code (#6781)

The code removed in the PR was flagged as unused by the JetBrains
inspector.

I did a QA on the dev environment but other checks are highly
recommended.

There is one commit by scope to make the review easier.

---------

Co-authored-by: Charles Bochet <charles@twenty.com>

packages/twenty-server/src/engine/metadata-modules/object-metadata/hooks/before-create-one-object.hook.ts

@@ -9,7 +9,7 @@ import { CreateObjectInput } from 'src/engine/metadata-modules/object-metadata/d
 
 @Injectable()
 export class BeforeCreateOneObject<T extends CreateObjectInput>
-  implements BeforeCreateOneHook<T, any>
+  implements BeforeCreateOneHook<T>
 {
   async run(
     instance: CreateOneInputType<T>,

packages/twenty-server/src/engine/metadata-modules/object-metadata/hooks/before-delete-one-object.hook.ts

@@ -12,7 +12,7 @@ import {
 import { ObjectMetadataService } from 'src/engine/metadata-modules/object-metadata/object-metadata.service';
 
 @Injectable()
-export class BeforeDeleteOneObject implements BeforeDeleteOneHook<any> {
+export class BeforeDeleteOneObject implements BeforeDeleteOneHook {
   constructor(readonly objectMetadataService: ObjectMetadataService) {}
 
   async run(

packages/twenty-server/src/engine/metadata-modules/object-metadata/hooks/before-update-one-object.hook.ts

@@ -18,7 +18,7 @@ import { ObjectMetadataEntity } from 'src/engine/metadata-modules/object-metadat
 
 @Injectable()
 export class BeforeUpdateOneObject<T extends UpdateObjectPayload>
-  implements BeforeUpdateOneHook<T, any>
+  implements BeforeUpdateOneHook<T>
 {
   constructor(
     readonly objectMetadataService: ObjectMetadataService,