nextcloud: disable failing apps

basic/overrides/stackspin-nextcloud-override.yaml

@@ -38,8 +38,6 @@ data:
       #  enabled: true
       - name: notes
         enabled: true
-        #- name: quicknotes
-        #  enabled: true
       #- name: files_mindmap
       #  enabled: true
       - name: files_markdown
@@ -49,8 +47,6 @@ data:
       - name: maps
         enabled: true
       # Personal
-      - name: files_ebookreader
-        enabled: true
       - name: ocsms
         enabled: true
       - name: apporder