[#1359,licenses][xs]: remove unused method get_by_title on LicenseReg…

…ister.

ckan/model/license.py

@@ -97,16 +97,6 @@ def __iter__(self):
     def __len__(self):
         return len(self.licenses)
 
-    # non-dict like interface
-
-    def get_by_title(self, title, default=None):
-        for license in self.licenses:
-            if title == license.title or title == license.title.split('::')[1]:
-                return license
-        else:
-            return default
-
-
     default_license_list = [
           {
             "domain_content": False,