crontab: Use editor abstraction

apparmor.d/groups/cron/crontab

@@ -35,21 +35,10 @@ profile crontab @{exec_path} {
 
   profile editor {
     include <abstractions/base>
-    include <abstractions/nameservice-strict>
+    include <abstractions/app/editor>
 
     capability fsetid,
 
-    @{bin}/sensible-editor mr,
-    @{bin}/vim.*           mrix,
-    @{sh_path}              rix,
-    @{bin}/which{,.debianutils}            rix,
-
-    owner @{HOME}/.selected_editor r,
-
-    /usr/share/vim/{,**} r,
-    /etc/vim/{,**} r,
-    owner @{HOME}/.viminfo{,.tmp} rw,
-
           /tmp/ r,
     owner @{tmp}/crontab.*/crontab rw,