remove hourly from weather for JSON j2 format

#661 related 

Pardon my Python, I'm still a novice.

This is basically what I was thinking, strip out the hourly data completely and leave the rest.

lib/view/line.py

@@ -360,9 +360,10 @@ def format_weather_data(query, parsed_query, data):
         format_line = PRECONFIGURED_FORMAT[format_line]
 
     if format_line in ["j1", "j2"]:
-        # j2 is a lightweight j1, without 'weather' (weather forecast)
+        # j2 is a lightweight j1, without 'hourly' in 'weather' (weather forecast)
         if "weather" in data["data"] and format_line == "j2":
-            del data["data"]["weather"]
+            for i in range(len(data["data"]["weather"])):
+                del data["data"]["weather"][i]["hourly"]
         return render_json(data['data'])
     if format_line == "p1":
         return prometheus.render_prometheus(data['data'])