Deprecate Django 1.11

.travis.yml

@@ -7,7 +7,6 @@ python:
   - 3.8
   - pypy3
 env:
-  - DJANGO=1.11
   - DJANGO=2.2
   - DJANGO=3.0
   - DJANGO=master

setup.py

@@ -36,7 +36,7 @@ setup(
     use_scm_version=True,
     setup_requires=["setuptools_scm"],
     python_requires="~=3.6",
-    install_requires=["django>=1.11", "django-appconf>=1.0.3", "django-ipware>=2.0.2"],
+    install_requires=["django>=2.0", "django-appconf>=1.0.3", "django-ipware>=2.0.2"],
     include_package_data=True,
     packages=find_packages(),
     classifiers=[
@@ -44,7 +44,6 @@ setup(
         "Environment :: Web Environment",
         "Environment :: Plugins",
         "Framework :: Django",
-        "Framework :: Django :: 1.11",
         "Framework :: Django :: 2.2",
         "Framework :: Django :: 3.0",
         "Intended Audience :: Developers",

tox.ini

@@ -1,7 +1,7 @@
 [tox]
 envlist =
     qa
-    py{36,37,38,py3}-django{111,22,30,master}
+    py{36,37,38,py3}-django{22,30,master}
 
 [travis]
 python =
@@ -12,7 +12,6 @@ python =
 
 [travis:env]
 DJANGO =
-    1.11: django111
     2.2: django22
     3.0: django30
     master: djangomaster
@@ -20,7 +19,6 @@ DJANGO =
 [testenv]
 deps =
     -r requirements.txt
-    django111: django>=1.11,<2.0
     django22: django>=2.2,<2.3
     django30: django>=3.0,<3.1
     djangomaster: https://github.com/django/django/archive/master.tar.gz