Revert "dodgy hack for ci"

This reverts commit d3f2125.

On second thought, let's not.

Author: cecille

src/python_testing/TC_CNET_4_4.py

@@ -59,12 +59,7 @@ async def test_TC_CNET_4_4(self):
             return
 
         self.step(2)
-        is_ci = self.check_pics('PICS_SDK_CI_ONLY')
-        if is_ci:
-            # TODO: CI doesn't support this attribute for various reasons. I'll have to find the issue to link it here.
-            supported_wifi_bands = [b.value for b in cnet.Enums.WiFiBandEnum]
-        else:
-            supported_wifi_bands = await self.read_single_attribute_check_success(cluster=cnet, attribute=attr.SupportedWiFiBands)
+        supported_wifi_bands = await self.read_single_attribute_check_success(cluster=cnet, attribute=attr.SupportedWiFiBands)
 
         self.step(3)
         networks = await self.read_single_attribute_check_success(cluster=cnet, attribute=attr.Networks)