fix linting and locales

frontend/src/locales/de.json

@@ -150,7 +150,6 @@
   "GDD": "GDD",
   "gdd_per_link": {
     "choose-amount": "Wähle einen Betrag aus, welchen du per Link versenden möchtest. Du kannst auch noch eine Nachricht eintragen. Beim Klick „Jetzt generieren“ wird ein Link erstellt, den du versenden kannst.",
-    "copy": "kopieren",
     "copy-link": "Link kopieren",
     "copy-link-with-text": "Link und Text kopieren",
     "created": "Der Link wurde erstellt!",

frontend/src/locales/en.json

@@ -12,7 +12,6 @@
       "hasAccount": "You already have an account?",
       "hereLogin": "Log in here",
       "learnMore": "Learn more …",
-
       "oneDignity": "We gift to each other and give thanks with Gradido.",
       "oneDonation": "You are a gift for the community. 1000 thanks because you are with us.",
       "oneGratitude": "For each other, for all people, for nature."
@@ -151,7 +150,6 @@
   "GDD": "GDD",
   "gdd_per_link": {
     "choose-amount": "Select an amount that you would like to send via link. You can also enter a message. Click 'Generate now' to create a link that you can share.",
-    "copy": "copy",
     "copy-link": "Copy link",
     "copy-link-with-text": "Copy link and text",
     "created": "Link was created!",