Remove Python2 and Python3.5 from tox.ini

tox.ini

@@ -1,10 +1,9 @@
 [tox]
 envlist =
-    py27,py35,py36,py37,py38,pypy,pypy3,
-    py27-pyramid{13,14,15,16,17,18,19,110},
-    py37-pyramid{13,14,15,16,17,18,110},
-    docs,
-    {py2,py3}-cover,coverage
+    py36,py37,py38,pypy3,
+    py38-pyramid{13,14,15,16,17,18,110},
+    py38-cover,coverage,
+    docs
 
 [testenv]
 deps =
@@ -32,18 +31,7 @@ commands =
 extras =
     docs
 
-[testenv:py2-cover]
-basepython = python2.7
-commands =
-    coverage run --source=pyramid_jinja2 {envbindir}/nosetests
-    coverage xml -o coverage-py2.xml
-extras =
-    testing
-setenv =
-    COVERAGE_FILE=.coverage.py2
-
-[testenv:py3-cover]
-basepython = python3.5
+[testenv:py38-cover]
 commands =
     coverage run --source=pyramid_jinja2 {envbindir}/nosetests
     coverage xml -o coverage-py3.xml