delete single entry function added

lib/l10n/app_de.arb

@@ -92,5 +92,6 @@
     "savefilefailed": "Fehler. Bitte nochmal versuchen",
     "justplace": "Standort",
     "justsave": "Nur speichern",
-    "finishedentrie": "Bereits fertiger Eintrag"
+    "finishedentrie": "Bereits fertiger Eintrag",
+    "justdelete": "Löschen"
 }

lib/l10n/app_en.arb

@@ -447,6 +447,11 @@
     "finishedentrie": "Already finished entrie",
     "@finishedentrie": {
         "description": "already finished entrie options dialog header"
+    },
+
+    "justdelete": "Delete",
+    "@justdelete": {
+        "description": "just delete action pane label"
     }
 
 }