deprecate: on-disk encryption

Why?
1. there're still a lot issues on it and there's no resource to
maintain and develop it considering we need to support it on all the
platforms.
2. it creates more bugs with Logseq Sync.

src/main/frontend/fs/watcher_handler.cljs

@@ -15,7 +15,6 @@
             [lambdaisland.glogi :as log]
             [promesa.core :as p]
             [frontend.state :as state]
-            [frontend.encrypt :as encrypt]
             [frontend.fs :as fs]))
 
 ;; all IPC paths must be normalized! (via gp-util/path-normalize)
@@ -56,9 +55,7 @@
           pages-metadata-path (config/get-pages-metadata-path)
           {:keys [mtime]} stat
           db-content (or (db/get-file repo path) "")]
-      (when (and (or content (contains? #{"unlink" "unlinkDir" "addDir"} type))
-                 (not (encrypt/content-encrypted? content))
-                 (not (:encryption/graph-parsing? @state/state)))
+      (when (or content (contains? #{"unlink" "unlinkDir" "addDir"} type))
         (cond
           (and (= "unlinkDir" type) dir)
           (state/pub-event! [:graph/dir-gone dir])