Remove YAML template trailing spaces

Change-Id: I36ae27a44bd9863df63bdff144f1773c774661b4

templates/Quantum.yaml

@@ -4,7 +4,7 @@ Resources:
   network:
     Type: OS::Quantum::Net
     Properties: {name: the_network}
-  unnamed_network: 
+  unnamed_network:
     Type: 'OS::Quantum::Net'
   admin_down_network:
     Type: OS::Quantum::Net
@@ -26,7 +26,7 @@ Resources:
       fixed_ips:
       - subnet_id: {Ref: subnet}
         ip_address: 10.0.3.21
-  router: 
+  router:
     Type: 'OS::Quantum::Router'
   router_interface:
     Type: OS::Quantum::RouterInterface
@@ -38,35 +38,35 @@ Outputs:
     Value:
       Fn::GetAtt: [network, status]
     Description: Status of network
-  port_device_owner: 
+  port_device_owner:
     Value:
       Fn::GetAtt: [port, device_owner]
     Description: Device owner of the port
-  port_fixed_ips: 
+  port_fixed_ips:
     Value:
       Fn::GetAtt: [port, fixed_ips]
     Description: Fixed IPs of the port
-  port_mac_address: 
+  port_mac_address:
     Value:
       Fn::GetAtt: [port, mac_address]
     Description: MAC address of the port
-  port_status: 
+  port_status:
     Value:
       Fn::GetAtt: [port, status]
     Description: Status of the port
-  port_show: 
+  port_show:
     Value:
       Fn::GetAtt: [port, show]
     Description: All attributes for port
-  subnet_show: 
+  subnet_show:
     Value:
       Fn::GetAtt: [subnet, show]
     Description: All attributes for subnet
-  network_show: 
+  network_show:
     Value:
       Fn::GetAtt: [network, show]
     Description: All attributes for network
-  router_show: 
+  router_show:
     Value:
       Fn::GetAtt: [router, show]
     Description: All attributes for router

templates/WordPress_Single_Instance.yaml

@@ -4,7 +4,7 @@ Description: 'AWS CloudFormation Sample Template WordPress_Single_Instance:
   template installs a single-instance WordPress deployment using a local MySQL database
   to store the data.'
 Parameters:
-  KeyName: 
+  KeyName:
     Description: Name of an existing EC2 KeyPair to enable SSH access to the instances
     Type: String
   InstanceType: