Remove invalid NTP configuration in templates

Currently the all templates have an invalid setting for NTP
setup for the fudge setting. This should be removed from
the templates which will remove the warning seen in syslog.

ntpd[...]: inappropriate address xxx.xxx.xxx.xxx for the
    fudge command, line ignored

Partial-Bug: 1408379
Relates-To: Ib9931b84925d9ceb32f18e9adc5be64402fbf61e
Change-Id: I56a03dc0a899a8c515f2a05d678d7e80e9b7b93c

compute-config.yaml

@@ -68,7 +68,7 @@ resources:
           password: {get_input: rabbit_password}
         ntp:
           servers:
-              - {server: {get_input: ntp_server}, fudge: "stratum 0"}
+              - {server: {get_input: ntp_server}}
 
 outputs:
   config_id:

controller-config.yaml

@@ -128,7 +128,7 @@ resources:
           rabbit_port: {get_input: rabbit_client_port}
         ntp:
           servers:
-              - {server: {get_input: ntp_server}, fudge: "stratum 0"}
+              - {server: {get_input: ntp_server}}
         virtual_interfaces:
           instances:
             - vrrp_instance_name: VI_CONTROL

nova-compute-config.yaml

@@ -55,7 +55,7 @@ resources:
           password: {get_input: rabbit_password}
         ntp:
           servers:
-              - {server: {get_input: ntp_server}, fudge: "stratum 0"}
+              - {server: {get_input: ntp_server}}
   NovaComputePassthrough:
     type: OS::Heat::StructuredConfig
     properties:

overcloud-source.yaml

@@ -688,7 +688,7 @@ resources:
           rabbit_port: {get_param: RabbitClientPort}
         ntp:
           servers:
-              - {server: {get_param: NtpServer}, fudge: "stratum 0"}
+              - {server: {get_param: NtpServer}}
         virtual_interfaces:
           instances:
             - vrrp_instance_name: VI_CONTROL

undercloud-source.yaml

@@ -346,7 +346,7 @@ resources:
             - value
         ntp:
           servers:
-            - {server: {get_param: NtpServer}, fudge: "stratum 0"}
+            - {server: {get_param: NtpServer}}
   undercloudPassthroughConfig:
     type: OS::Heat::StructuredConfig
     properties: