Rewrite parse_icon_names to use new iconset

aleksis/apps/hjelp/parse_icon_names.py

+import json
+
+def parse_icon_names():
+    icons = []
+
+    with open('icons_meta.json') as json_file:
+        data = json.load(json_file)
+
+    for obj in data:
+        name = obj["name"]
+        icons.append((name, name))
+
+    return icons
+
+if __name__ == "__main__":
+    print(parse_icon_names())