58522: implemented delete for coll and comms

resources/i18n/en.json

src/app/+collection-page/collection-page-routing.module.ts

src/app/+collection-page/collection-page.module.ts

...lete-collection-page/delete-community-page.component.html

...lete-collection-page/delete-community-page.component.scss

...delete-collection-page/delete-community-page.component.ts

.../edit-collection-page/edit-collection-page.component.html

...ge/edit-collection-page/edit-collection-page.component.ts

src/app/+community-page/community-page-routing.module.ts

src/app/+community-page/community-page.module.ts

...elete-community-page/delete-community-page.component.html

...elete-community-page/delete-community-page.component.scss

.../delete-community-page/delete-community-page.component.ts

...ge/edit-community-page/edit-community-page.component.html

...page/edit-community-page/edit-community-page.component.ts

src/app/core/data/comcol-data.service.spec.ts

src/app/core/data/comcol-data.service.ts

src/app/core/data/data.service.ts

src/app/core/data/dspace-object-data.service.ts

src/app/core/data/request.models.ts