Remove trailing whitespace

Change-Id: I6b81c473ba9d844d0b6e5d0064dd71fe9313d647

ansible/roles/swift-block-devices/tests/test-bootstrapped.yml

@@ -15,7 +15,7 @@
       command: losetup -f
       register: loopback
       become: true
- 
+
     - name: Create a loopback device
       command: losetup {{ loopback.stdout }} {{ tempfile.path }}
       become: true

ansible/roles/swift-block-devices/tests/test-mount.yml

@@ -16,7 +16,7 @@
       command: losetup -f
       register: loopback
       become: true
- 
+
     - name: Create a loopback device
       command: losetup {{ loopback.stdout }} {{ tempfile.path }}
       become: true

releasenotes/notes/firewalld-zone-option-15cb747feb90446b.yaml

 ---
 features:
   - |
-    Adds support for configuring firewalld ``zone`` option on network interfaces. 
+    Adds support for configuring firewalld ``zone`` option on network interfaces.
     See `story 2008369
     <https://storyboard.openstack.org/#!/story/2008369>`__ for details.

releasenotes/notes/story-2008354-0c34e2ad7aeb7d3d.yaml

@@ -2,5 +2,5 @@
 fixes:
   - |
     Fixes issue with deleting swift ring temporary files.
-    See `story 2008354 <https://storyboard.openstack.org/#!/story/2008354>`__ 
+    See `story 2008354 <https://storyboard.openstack.org/#!/story/2008354>`__
     for details.