chore: remove outdated Karan fuel price API

Removed the Karan fuel price API URL from feeds.json as it is no longer needed. This cleanup helps maintain the accuracy and relevance of the data sources used in the project.

Author: matthewgall

feeds.json

@@ -4,7 +4,6 @@
     "bp": "https://www.bp.com/en_gb/united-kingdom/home/fuelprices/fuel_prices_data.json",
     "esso": "https://fuelprices.esso.co.uk/latestdata.json",
     "jet": "https://jetlocal.co.uk/fuel_prices_data.json",
-    "karan": "https://api2.krlmedia.com/integration/live_price/krl",
     "morrisons": "https://www.morrisons.com/fuel-prices/fuel.json",
     "moto": "https://moto-way.com/fuel-price/fuel_prices.json",
     "mfg": "https://fuel.motorfuelgroup.com/fuel_prices_data.json",