Remove references to Python 3.4

Now that there exists only a gate job for Python 3.5 and not 3.4,
we should remove those references to the 3.4 that is untested.

Change-Id: I2a00ead626d9eced96487ee82b5d7857126d8355

setup.cfg

@@ -16,7 +16,6 @@ classifier =
     Programming Language :: Python :: 2
     Programming Language :: Python :: 2.7
     Programming Language :: Python :: 3
-    Programming Language :: Python :: 3.4
     Programming Language :: Python :: 3.5
 
 [files]

tox.ini

@@ -1,6 +1,6 @@
 [tox]
 minversion = 2.0
-envlist = py35,py34,py27,pep8,bandit
+envlist = py35,py27,pep8,bandit
 
 [testenv]
 setenv =
@@ -34,13 +34,6 @@ setenv =
     TRANSPORT_DRIVER=rabbit
 commands = pifpaf run rabbitmq --  python setup.py testr --slowest --testr-args='{posargs:oslo_messaging.tests.functional}'
 
-[testenv:py34-func-rabbit]
-setenv =
-    {[testenv]setenv}
-    TRANSPORT_DRIVER=rabbit
-basepython = python3.4
-commands = pifpaf run rabbitmq --  python setup.py testr --slowest --testr-args='{posargs:oslo_messaging.tests.functional}'
-
 [testenv:py35-func-rabbit]
 setenv =
     {[testenv]setenv}
@@ -70,16 +63,6 @@ setenv =
     WORKDIR={toxworkdir}
 commands = {toxinidir}/setup-test-env-amqp1.sh python setup.py testr --slowest --testr-args='oslo_messaging.tests.functional'
 
-[testenv:py34-func-amqp1]
-basepython = python3.4
-setenv =
-    {[testenv]setenv}
-    TRANSPORT_URL=amqp://stackqpid:secretqpid@127.0.0.1:65123//
-    AMQP1_BACKEND=qpidd
-    ENVNAME={envname}
-    WORKDIR={toxworkdir}
-commands = {toxinidir}/setup-test-env-amqp1.sh python setup.py testr --slowest --testr-args='oslo_messaging.tests.functional'
-
 [testenv:py35-func-amqp1]
 basepython = python3.5
 setenv =
@@ -93,9 +76,6 @@ commands = {toxinidir}/setup-test-env-amqp1.sh python setup.py testr --slowest -
 [testenv:py27-func-zmq]
 commands = {toxinidir}/setup-test-env-zmq.sh python setup.py testr --slowest --testr-args='{posargs:oslo_messaging.tests.functional}'
 
-[testenv:py34-func-zmq]
-commands = {toxinidir}/setup-test-env-zmq.sh python setup.py testr --slowest --testr-args='{posargs:oslo_messaging.tests.functional}'
-
 [testenv:py35-func-zmq]
 commands = {toxinidir}/setup-test-env-zmq.sh python setup.py testr --slowest --testr-args='{posargs:oslo_messaging.tests.functional}'