Remove redundant TargetRubyVersion

Follow up to #232. This commit removes redundant `TargetRubyVersion` because RuboCop Performance already drops Ruby 2.4 or lower.
rubocop · Aug 26, 2021 · e3c374b · e3c374b
1 parent ad2b896
commit e3c374b
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diff --git a/docs/modules/ROOT/pages/cops_performance.adoc b/docs/modules/ROOT/pages/cops_performance.adoc
@@ -542,8 +542,6 @@ Model.select(:value).count
 
 == Performance/DeletePrefix
 
-NOTE: Required Ruby version: 2.5
-
 |===
 | Enabled by default | Safe | Supports autocorrection | VersionAdded | VersionChanged
 
@@ -616,8 +614,6 @@ str.sub!(/^prefix/, '')
 
 == Performance/DeleteSuffix
 
-NOTE: Required Ruby version: 2.5
-
 |===
 | Enabled by default | Safe | Supports autocorrection | VersionAdded | VersionChanged
 
@@ -1238,8 +1234,6 @@ end
 
 == Performance/RedundantEqualityComparisonBlock
 
-NOTE: Required Ruby version: 2.5
-
 |===
 | Enabled by default | Safe | Supports autocorrection | VersionAdded | VersionChanged
 

diff --git a/lib/rubocop/cop/performance/delete_prefix.rb b/lib/rubocop/cop/performance/delete_prefix.rb
@@ -47,9 +47,6 @@ module Performance
       class DeletePrefix < Base
         include RegexpMetacharacter
         extend AutoCorrector
-        extend TargetRubyVersion
-
-        minimum_target_ruby_version 2.5
 
         MSG = 'Use `%<prefer>s` instead of `%<current>s`.'
         RESTRICT_ON_SEND = %i[gsub gsub! sub sub!].freeze

diff --git a/lib/rubocop/cop/performance/delete_suffix.rb b/lib/rubocop/cop/performance/delete_suffix.rb
@@ -47,9 +47,6 @@ module Performance
       class DeleteSuffix < Base
         include RegexpMetacharacter
         extend AutoCorrector
-        extend TargetRubyVersion
-
-        minimum_target_ruby_version 2.5
 
         MSG = 'Use `%<prefer>s` instead of `%<current>s`.'
         RESTRICT_ON_SEND = %i[gsub gsub! sub sub!].freeze

diff --git a/lib/rubocop/cop/performance/redundant_equality_comparison_block.rb b/lib/rubocop/cop/performance/redundant_equality_comparison_block.rb
@@ -24,9 +24,6 @@ module Performance
       #
       class RedundantEqualityComparisonBlock < Base
         extend AutoCorrector
-        extend TargetRubyVersion
-
-        minimum_target_ruby_version 2.5
 
         MSG = 'Use `%<prefer>s` instead of block.'