👷‍♀️ Remove Django 1.11 tip from Tox matrix

Author: jambonrose

tox.ini

@@ -14,10 +14,10 @@
 
 [tox]
 envlist =
-    py27-django{18,19,110,111,111tip},
-    py34-django{18,19,110,111,111tip,20},
-    py35-django{18,19,110,111,111tip,20,21,22},
-    py36-django{18,19,110,111,111tip,20,21,22,30,tip},
+    py27-django{18,19,110,111},
+    py34-django{18,19,110,111,20},
+    py35-django{18,19,110,111,20,21,22},
+    py36-django{18,19,110,111,20,21,22,30,tip},
     py37-django{20,21,22,30,tip},
     py38-django{22,30,tip},
     check,pkgcheck,doc
@@ -29,7 +29,6 @@ deps =
     django19: Django>=1.9,<1.10
     django110: Django>=1.10,<1.11
     django111: Django>=1.11,<2.0
-    django111tip: https://github.com/django/django/archive/stable/1.11.x.tar.gz
     django20: Django>=2.0,<2.1
     django21: Django>=2.1,<2.2
     django22: Django>=2.2,<3.0