OZG-7971 remove ozgcloud button

alfa-client/apps/alfa/src/styles/material/_button.scss

alfa-client/libs/bescheid/src/lib/bescheid.module.ts

alfa-client/libs/kommentar/src/lib/kommentar.module.ts

...s/loesch-anforderung/src/lib/loesch-anforderung.module.ts

...iner/postfach-mail-pdf-button-container.component.spec.ts

alfa-client/libs/postfach/src/lib/postfach.module.ts

alfa-client/libs/ui/src/index.ts

...-dialog/connection-timeout-retry-dialog.component.spec.ts

...-with-spinner/ozgcloud-button-with-spinner.component.html

...-with-spinner/ozgcloud-button-with-spinner.component.scss

...th-spinner/ozgcloud-button-with-spinner.component.spec.ts

...on-with-spinner/ozgcloud-button-with-spinner.component.ts

...utton-primary/ozgcloud-icon-button-primary.component.html

...utton-primary/ozgcloud-icon-button-primary.component.scss

...on-primary/ozgcloud-icon-button-primary.component.spec.ts

...-button-primary/ozgcloud-icon-button-primary.component.ts

...inner/ozgcloud-stroked-button-with-spinner.component.html

...inner/ozgcloud-stroked-button-with-spinner.component.scss

...er/ozgcloud-stroked-button-with-spinner.component.spec.ts

...spinner/ozgcloud-stroked-button-with-spinner.component.ts