Dockerfiles: Remove most env

Dockerfile.alpine

@@ -4,39 +4,6 @@ ENV PUID=1000
 ENV PGID=1000
 ENV GOSU_VERSION 1.17
 
-ENV DRYRUN 'True'
-ENV DEBUG 'True'
-ENV DEBUG_LEVEL 'INFO'
-ENV RUN_ONLY_ONCE 'False'
-ENV SLEEP_DURATION '3600'
-ENV LOGFILE 'log.log'
-ENV MARKFILE 'mark.log'
-
-ENV USER_MAPPING ''
-ENV LIBRARY_MAPPING ''
-
-ENV PLEX_BASEURL ''
-ENV PLEX_TOKEN ''
-ENV PLEX_USERNAME ''
-ENV PLEX_PASSWORD ''
-ENV PLEX_SERVERNAME ''
-
-ENV JELLYFIN_BASEURL ''
-ENV JELLYFIN_TOKEN ''
-
-ENV SYNC_FROM_PLEX_TO_JELLYFIN 'True'
-ENV SYNC_FROM_JELLYFIN_TO_PLEX 'True'
-ENV SYNC_FROM_PLEX_TO_PLEX 'True'
-ENV SYNC_FROM_JELLYFIN_TO_JELLYFIN 'True'
-
-ENV BLACKLIST_LIBRARY ''
-ENV WHITELIST_LIBRARY ''
-ENV BLACKLIST_LIBRARY_TYPE  '' 
-ENV WHITELIST_LIBRARY_TYPE  ''
-ENV BLACKLIST_USERS  ''
-ENV WHITELIST_USERS  ''
-
-
 RUN apk add --no-cache tini
 
 # Install gosu