[player] Remove remains of code of the previous surrounding form

...ts/player/src/app/components/layout/layout.component.html

...ects/player/src/app/components/layout/layout.component.ts

projects/player/src/app/components/page/page.component.html

projects/player/src/app/components/page/page.component.ts

...c/app/components/player-state/player-state.component.html

...src/app/components/player-state/player-state.component.ts

...ts/player/src/app/components/section/section.component.ts

projects/player/src/app/models/form.ts

projects/player/src/app/models/verona.ts