Sync logging values with upstream repos

Some OSH charts have diffferent values for logger_root
handler from upsgream repo config defaul values.
Exactly, logger_root handler values.
This leads double logging finally.
To fix this, set logger_root as null like upstream repos.

Change-Id: I20e4f48efe29ae59c56f74e0ed9a4085283de6ad

barbican/values.yaml

@@ -480,7 +480,7 @@ conf:
         - default
     logger_root:
       level: WARNING
-      handlers: stdout
+      handlers: 'null'
     logger_barbican:
       level: INFO
       handlers:

cinder/values.yaml

@@ -925,7 +925,7 @@ conf:
         - default
     logger_root:
       level: WARNING
-      handlers: stdout
+      handlers: 'null'
     logger_cinder:
       level: INFO
       handlers:

designate/values.yaml

@@ -586,7 +586,7 @@ conf:
         - default
     logger_root:
       level: WARNING
-      handlers: stdout
+      handlers: 'null'
     logger_designate:
       level: INFO
       handlers:

glance/values.yaml

@@ -293,7 +293,7 @@ conf:
         - default
     logger_root:
       level: WARNING
-      handlers: stdout
+      handlers: 'null'
     logger_glance:
       level: INFO
       handlers:

heat/values.yaml

@@ -516,7 +516,7 @@ conf:
         - default
     logger_root:
       level: WARNING
-      handlers: stdout
+      handlers: 'null'
     logger_heat:
       level: INFO
       handlers:

ironic/values.yaml

@@ -152,7 +152,7 @@ conf:
         - default
     logger_root:
       level: WARNING
-      handlers: stdout
+      handlers: 'null'
     logger_ironic:
       level: INFO
       handlers:

keystone/values.yaml

@@ -1050,7 +1050,7 @@ conf:
         - default
     logger_root:
       level: WARNING
-      handlers: stdout
+      handlers: 'null'
     logger_keystone:
       level: INFO
       handlers:

magnum/values.yaml

@@ -150,7 +150,7 @@ conf:
         - default
     logger_root:
       level: WARNING
-      handlers: stdout
+      handlers: 'null'
     logger_magnum:
       level: INFO
       handlers:

mistral/values.yaml

@@ -484,7 +484,7 @@ conf:
         - default
     logger_root:
       level: WARNING
-      handlers: stdout
+      handlers: 'null'
     logger_mistral:
       level: INFO
       handlers:

neutron/values.yaml

@@ -1944,7 +1944,7 @@ conf:
         - default
     logger_root:
       level: WARNING
-      handlers: stdout
+      handlers: 'null'
     logger_neutron:
       level: INFO
       handlers:

nova/values.yaml

@@ -1770,7 +1770,7 @@ conf:
         - default
     logger_root:
       level: WARNING
-      handlers: stdout
+      handlers: 'null'
     logger_nova:
       level: INFO
       handlers:

placement/values.yaml

@@ -139,7 +139,7 @@ conf:
         - default
     logger_root:
       level: WARNING
-      handlers: stdout
+      handlers: 'null'
     logger_placement:
       level: INFO
       handlers:

senlin/values.yaml

@@ -195,7 +195,7 @@ conf:
         - default
     logger_root:
       level: WARNING
-      handlers: stdout
+      handlers: 'null'
     logger_senlin:
       level: INFO
       handlers:

tempest/values.yaml

@@ -223,7 +223,7 @@ conf:
       keys: tests
     logger_root:
       level: DEBUG
-      handlers: stdout
+      handlers: 'null'
     logger_tempest:
       level: WARN
       propagate: 0