Remove use of d2to1

Update with the global OpenStack requirements in the process.

Change-Id: I18ae9cc78e1af8842b74cedac3ba262d733e4289

requirements.txt

@@ -1,4 +1,3 @@
-d2to1>=0.2.10,<0.3
-pbr>=0.5,<0.6
+pbr>=0.5.21,<1.0
 
-paramiko
+paramiko>=1.8.0

setup.py

@@ -14,8 +14,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+# THIS FILE IS MANAGED BY THE GLOBAL REQUIREMENTS REPO - DO NOT EDIT
 import setuptools
 
 setuptools.setup(
-    setup_requires=['d2to1', 'pbr'],
-    d2to1=True)
+    setup_requires=['pbr'],
+    pbr=True)

test-requirements.txt

@@ -1 +1 @@
-hacking>=0.5.3,<0.6
+hacking>=0.5.6,<0.8