Merge pull request DSpace#2274 from alanorth/fix-english-permission-string

src/assets/i18n: fix English permission string

Author: tdonohue

src/assets/i18n/en.json5

@@ -4061,7 +4061,7 @@
 
   "submission.general.cancel": "Cancel",
 
-  "submission.general.cannot_submit": "You have not the privilege to make a new submission.",
+  "submission.general.cannot_submit": "You don't have permission to make a new submission.",
 
   "submission.general.deposit": "Deposit",