Move static file collection from docker entrypoint to Dockerfile to reduce superflous work

scripts/docker-entrypoint.sh

@@ -55,15 +55,10 @@ migrations() {
     fi
 }
 
-collectstatic() {
-    sudo -HEu paperless "/usr/src/paperless/src/manage.py" "collectstatic" "--clear" "--no-input"
-}
-
 initialize() {
     map_uidgid
     set_permissions
     migrations
-    collectstatic
 }
 
 install_languages() {