fix(i18n): remove trailing commas in en.json and nl.json

src/messages/en.json

@@ -2127,7 +2127,7 @@
 					"subtitle": "User-facing strings from emulator_settings (commands, wordfilter, pet/matchmaking messages).",
 					"infoBox": "Configuration settings (ports, timeouts, IDs) do not appear here — use the full settings link. Saved changes are synced to the emulator via RCON.",
 					"fullSettings": "Full settings"
-				},
+				}
 			},
 			"settings": {
 				"title": "CMS Settings",

src/messages/nl.json

@@ -2096,7 +2096,7 @@
 					"textColor": "Tekstkleur",
 					"rounded": "Afgeronde hoeken",
 					"save": "Opslaan als favicon"
-				},
+				}
 			},
 			"settings": {
 				"title": "CMS-instellingen",