mark deprecated option message_format as obsolete

Author: jsvd

CHANGELOG.md

@@ -1,3 +1,6 @@
+## 5.0.0
+ - Breaking: mark deprecated option `message_format` as obsolete
+
 ## 4.0.0
  - Remove deprecated `workers_not_supported` call
  - Use concurrency :single

docs/index.asciidoc

@@ -62,20 +62,6 @@ output plugins.
 When mode is `server`, the address to listen on.
 When mode is `client`, the address to connect to.
 
-[id="plugins-{type}s-{plugin}-message_format"]
-===== `message_format`  (DEPRECATED)
-
-  * DEPRECATED WARNING: This configuration item is deprecated and may not be available in future versions.
-  * Value type is <<string,string>>
-  * There is no default value for this setting.
-
-The format to use when writing events to the file. This value
-supports any string and can include `%{name}` and other dynamic
-strings.
-
-If this setting is omitted, the full json representation of the
-event will be written as a single line.
-
 [id="plugins-{type}s-{plugin}-mode"]
 ===== `mode` 
 

lib/logstash/outputs/tcp.rb

@@ -51,13 +51,7 @@ class LogStash::Outputs::Tcp < LogStash::Outputs::Base
   # SSL key passphrase
   config :ssl_key_passphrase, :validate => :password, :default => nil
 
-  # The format to use when writing events to the file. This value
-  # supports any string and can include `%{name}` and other dynamic
-  # strings.
-  #
-  # If this setting is omitted, the full json representation of the
-  # event will be written as a single line.
-  config :message_format, :validate => :string, :deprecated => true
+  config :message_format, :validate => :string, :obsolete => "This setting is obsolete. The event will be formatted according to the codec used"
 
   class Client
     public

logstash-output-tcp.gemspec

@@ -1,7 +1,7 @@
 Gem::Specification.new do |s|
 
   s.name            = 'logstash-output-tcp'
-  s.version         = '4.0.1'
+  s.version         = '5.0.0'
   s.licenses        = ['Apache License (2.0)']
   s.summary         = "Write events over a TCP socket."
   s.description     = "This gem is a Logstash plugin required to be installed on top of the Logstash core pipeline using $LS_HOME/bin/logstash-plugin install gemname. This gem is not a stand-alone program"