Resolve "Feststehende Bennenung "OER Campus""

app/views/contents/courseware/courseware.php

app/views/course/courseware/index.php

app/views/file/add_files_window.php

app/views/oer/embed/_link.php

app/views/oer/endpoints/index.php

app/views/oer/market/abo.php

db/migrations/5.3.2_remove_oer_title.php

lib/models/OERMaterial.php

lib/navigation/AdminNavigation.php

lib/navigation/OERNavigation.php

...rces/vue/components/courseware/CoursewareActionWidget.vue

...rces/vue/components/courseware/CoursewareExportWidget.vue

...vue/components/courseware/CoursewareStructuralElement.vue

resources/vue/courseware-index-app.js

resources/vue/mixins/courseware/export.js

resources/vue/store/courseware/courseware.module.js