delete useless config files

config/elasticsearch.yml

-index:
-  analysis:
-    analyzer:
-      ik:
-          alias: [news_analyzer_ik,ik_analyzer]
-          type: org.elasticsearch.index.analysis.IkAnalyzerProvider
-          
-index.analysis.analyzer.default.type : "ik"
\ No newline at end of file

config/logging.yml

-rootLogger: INFO, console, file
-logger:
-  # log action execution errors for easier debugging
-  action: DEBUG
-  # reduce the logging for aws, too much is logged under the default INFO
-  com.amazonaws: WARN
-
-  # gateway
-  #gateway: DEBUG
-  #index.gateway: DEBUG
-
-  # peer shard recovery
-  #indices.recovery: DEBUG
-
-  # discovery
-  #discovery: TRACE
-
-  index.search.slowlog: TRACE, index_search_slow_log_file
-
-additivity:
-  index.search.slowlog: false
-
-appender:
-  console:
-    type: console
-    layout:
-      type: consolePattern
-      conversionPattern: "[%d{ISO8601}][%-5p][%-25c] %m%n"
-
-  file:
-    type: dailyRollingFile
-    file: ${path.logs}/${cluster.name}.log
-    datePattern: "'.'yyyy-MM-dd"
-    layout:
-      type: pattern
-      conversionPattern: "[%d{ISO8601}][%-5p][%-25c] %m%n"
-
-  index_search_slow_log_file:
-    type: dailyRollingFile
-    file: ${path.logs}/${cluster.name}_index_search_slowlog.log
-    datePattern: "'.'yyyy-MM-dd"
-    layout:
-      type: pattern
-      conversionPattern: "[%d{ISO8601}][%-5p][%-25c] %m%n"