Drop app.php in Encryption, Files External and Files Sharing in NC21

[ghost]

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Is your feature request related to a problem? Please describe.
My log entries is full of app.php message at the level of debug.

Describe the solution you'd like
Drop app.php in Encryption, Files External and Files Sharing.

Describe alternatives you've considered

find /path/to/nextcloud/apps/ -name "app.php" -delete

Additional context

{"reqId":"lNWQw8TGaqBQCbnH6JPg","level":0,"time":"2021-04-11T12:12:36+00:00","remoteAddr":"127.0.0.1","user":"User","app":"files_sharing","method":"GET","url":"/nextcloud/apps/logreader/poll?lastReqId=CvRD55x7iXzZvtNS8DI1","message":"/appinfo/app.php is deprecated, use \\OCP\\AppFramework\\Bootstrap\\IBootstrap on the application class instead.","userAgent":"Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Firefox/78.0","version":"21.0.1.1"}
{"reqId":"KggYIaALdY8g2bHSxxX6","level":0,"time":"2021-04-11T12:12:36+00:00","remoteAddr":"127.0.0.1","user":"User","app":"files_sharing","method":"GET","url":"/nextcloud/ocs/v2.php/apps/serverinfo/api/v1//basicdata?format=json","message":"/appinfo/app.php is deprecated, use \\OCP\\AppFramework\\Bootstrap\\IBootstrap on the application class instead.","userAgent":"Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Firefox/78.0","version":"21.0.1.1"}
{"reqId":"JrBP7yUKyPLWYsTkQbfA","level":0,"time":"2021-04-11T12:12:37+00:00","remoteAddr":"127.0.0.1","user":"User","app":"files_sharing","method":"GET","url":"/nextcloud/apps/serverinfo/update","message":"/appinfo/app.php is deprecated, use \\OCP\\AppFramework\\Bootstrap\\IBootstrap on the application class instead.","userAgent":"Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Firefox/78.0","version":"21.0.1.1"}
{"reqId":"aKW0w1oLwQPg0Nm9fgK2","level":0,"time":"2021-04-11T12:12:37+00:00","remoteAddr":"127.0.0.1","user":"User","app":"files_sharing","method":"GET","url":"/nextcloud/apps/logreader/poll?lastReqId=lNWQw8TGaqBQCbnH6JPg","message":"/appinfo/app.php is deprecated, use \\OCP\\AppFramework\\Bootstrap\\IBootstrap on the application class instead.","userAgent":"Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Firefox/78.0","version":"21.0.1.1"}
{"reqId":"fWFiqistk5vblIzbV2go","level":0,"time":"2021-04-11T12:12:37+00:00","remoteAddr":"127.0.0.1","user":"User","app":"files_sharing","method":"GET","url":"/nextcloud/apps/logreader/poll?lastReqId=aKW0w1oLwQPg0Nm9fgK2","message":"/appinfo/app.php is deprecated, use \\OCP\\AppFramework\\Bootstrap\\IBootstrap on the application class instead.","userAgent":"Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Firefox/78.0","version":"21.0.1.1"}

[solracsf]

Duplicate of #23046

[joshtrichards]

Fixed in #46136