canonical landscape license patch

--- /opt/canonical/landscape/canonical/landscape/model/main/license.py	2016-01-14 17:59:51.410606298 +0100
+++ /opt/canonical/landscape/canonical/landscape/model/main/license.py	2016-01-14 18:00:21.919744026 +0100
@@ -570,12 +570,6 @@
         # Couldn't read the file or directory, return no license info
         return None, []
 
-    if check_signature:
-        signature_error = signature_is_valid(license_contents)
-        if signature_error:
-            message = "{}: {}.".format(signature_error, path)
-            raise InvalidSignatureError(message)
-
     license_json = extract_license_from_signing_armour(license_contents)
     try:
         values = json.loads(license_json)