Fix profile@instance translation

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

js/src/i18n/en_US.json

@@ -1437,7 +1437,7 @@
   "No groups found for {search}": "No groups found for {search}",
   "No event found at this address": "No event found at this address",
   "I have an account on {instance}.": "I have an account on {instance}.",
-  "profile{\\'@\\'}instance": "profile{\\'@\\'}instance",
+  "profile{'@'}instance": "profile{'@'}instance",
   "My federated identity ends in {domain}": "My federated identity ends in {domain}",
   "Close map": "Close map",
   "On foot": "On foot",

js/src/i18n/fr_FR.json

@@ -1341,7 +1341,7 @@
   "more than 1360 contributors": "plus de 1360 contributeur·rice·s",
   "multitude of interconnected Mobilizon websites": "multitude de sites web Mobilizon interconnectés",
   "new{'@'}email.com": "nouvel{'@'}email.com",
-  "profile{\\'@\\'}instance": "profil{\\'@\\'}instance",
+  "profile{'@'}instance": "profil{'@'}instance",
   "report #{report_number}": "le signalement #{report_number}",
   "return to the event's page": "retourner sur la page de l'événement",
   "return to the homepage": "retour à la page d'accueil",