Update tox.ini

Author: auvipy

tox.ini

@@ -1,10 +1,10 @@
 [tox]
 envlist =
-    py36-django{22,30,31,32}
-    py37-django{22,30,31,32}
-    py38-django{22,30,31,32}
-    py39-django{22,30,31,32}
-    pypy3-django{22,30,31,32}
+    py36-django{22,31,32}
+    py37-django{22,31,32}
+    py38-django{22,31,32}
+    py39-django{22,31,32}
+    pypy3-django{22,31,32}
     flake8
     flakeplus
     apicheck
@@ -15,7 +15,6 @@ envlist =
 [travis:env]
 DJANGO =
     2.2: django22
-    3.0: django30
     3.1: django31
     3.2: django32
 
@@ -28,7 +27,6 @@ deps=
     cov: -r{toxinidir}/requirements/test-django.txt
 
     django22: -r{toxinidir}/requirements/test-django22.txt
-    django30: -r{toxinidir}/requirements/test-django30.txt
     django31: -r{toxinidir}/requirements/test-django31.txt
     django32: -r{toxinidir}/requirements/test-django32.txt