fluentd: remove legacy parsing config

After we remove the problematic, legacy "parser" plugin, the
config only needs the new, modern syntax.
This removes warnings that were logged.

Depends-On: https://review.opendev.org/c/openstack/kolla/+/823071
Change-Id: I33aa06de6ce88288769a8291ebd59e78e07cdbaf

ansible/roles/common/templates/conf/format/apache_access.conf.j2

 <filter apache_access>
   @type parser
   reserve_data true
-  format grok
   key_name Payload
-  grok_pattern \[%{HTTPDATE:Timestamp}\] "(?:%{WORD:http_method} %{NOTSPACE:http_url}(?: HTTP/%{NUMBER:http_version})?|%{DATA:rawrequest})" %{NUMBER:http_status} (?:\d+|-)
-  time_key Timestamp
-  time_format %d/%b/%Y:%H:%M:%S %z
-  keep_time_key true
   <parse>
     @type grok
     grok_pattern \[%{HTTPDATE:Timestamp}\] "(?:%{WORD:http_method} %{NOTSPACE:http_url}(?: HTTP/%{NUMBER:http_version})?|%{DATA:rawrequest})" %{NUMBER:http_status} (?:\d+|-)

ansible/roles/common/templates/conf/format/wsgi_access.conf.j2

 <filter wsgi_access>
   @type parser
   reserve_data true
-  format grok
   key_name Payload
-  grok_pattern %{IPORHOST:clientip} %{HTTPDUSER:ident} %{USER:auth} \[%{HTTPDATE:Timestamp}\] "(?:%{WORD:http_method} %{NOTSPACE:http_url}(?: HTTP/%{NUMBER:http_version})?|%{DATA:rawrequest})" %{NUMBER:http_status} (?:%{NUMBER:http_bytes}|-) (?:%{NUMBER:http_response_time_us}|-) %{QS:referrer} %{QS:agent}
-  time_key Timestamp
-  time_format %d/%b/%Y:%H:%M:%S %z
-  keep_time_key true
   <parse>
     @type grok
     grok_pattern %{IPORHOST:clientip} %{HTTPDUSER:ident} %{USER:auth} \[%{HTTPDATE:Timestamp}\] "(?:%{WORD:http_method} %{NOTSPACE:http_url}(?: HTTP/%{NUMBER:http_version})?|%{DATA:rawrequest})" %{NUMBER:http_status} (?:%{NUMBER:http_bytes}|-) (?:%{NUMBER:http_response_time_us}|-) %{QS:referrer} %{QS:agent}