Auto-correct for `delete_prefix`/`delete_suffix`

Follow up to #39409.

Gemfile.lock

@@ -415,7 +415,7 @@ GEM
       rexml
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 1.4.0, < 2.0)
-    rubocop-performance (1.6.0)
+    rubocop-performance (1.6.1)
       rubocop (>= 0.71.0)
     rubocop-rails (2.5.2)
       activesupport

activerecord/lib/active_record/connection_adapters/postgresql/column.rb

@@ -21,7 +21,7 @@ module ActiveRecord
         alias :array? :array
 
         def sql_type
-          super.sub(/\[\]\z/, "")
+          super.delete_suffix("[]")
         end
 
         def init_with(coder)

activesupport/lib/active_support/dependencies.rb

@@ -544,7 +544,7 @@ module ActiveSupport #:nodoc:
 
       if file_path
         expanded = File.expand_path(file_path)
-        expanded.sub!(/\.rb\z/, "")
+        expanded.delete_suffix!(".rb")
 
         if loading.include?(expanded)
           raise "Circular dependency detected while autoloading constant #{qualified_name}"
@@ -733,7 +733,7 @@ module ActiveSupport #:nodoc:
 
     def remove_constant(const) #:nodoc:
       # Normalize ::Foo, ::Object::Foo, Object::Foo, Object::Object::Foo, etc. as Foo.
-      normalized = const.to_s.sub(/\A::/, "")
+      normalized = const.to_s.delete_prefix("::")
       normalized.sub!(/\A(Object::)+/, "")
 
       constants = normalized.split("::")
@@ -743,7 +743,7 @@ module ActiveSupport #:nodoc:
       file_path = search_for_file(const.underscore)
       if file_path
         expanded = File.expand_path(file_path)
-        expanded.sub!(/\.rb\z/, "")
+        expanded.delete_suffix!(".rb")
         loaded.delete(expanded)
       end
 

activesupport/lib/active_support/evented_file_update_checker.rb

@@ -160,7 +160,7 @@ module ActiveSupport
         end
 
         def normalize_extension(ext)
-          ext.to_s.sub(/\A\./, "")
+          ext.to_s.delete_prefix(".")
         end
 
         # Given a collection of Pathname objects returns the longest subpath

activesupport/lib/active_support/inflector/methods.rb

@@ -133,7 +133,7 @@ module ActiveSupport
 
       result.sub!(/\A_+/, "")
       unless keep_id_suffix
-        result.sub!(/_id\z/, "")
+        result.delete_suffix!("_id")
       end
       result.tr!("_", " ")
 

guides/rails_guides/generator.rb

@@ -129,7 +129,7 @@ module RailsGuides
         if guide.end_with?(".md")
           guide.sub(/md\z/, "html")
         else
-          guide.sub(/\.erb\z/, "")
+          guide.delete_suffix(".erb")
         end
       end
 

railties/lib/rails/code_statistics_calculator.rb

@@ -82,7 +82,7 @@ class CodeStatisticsCalculator #:nodoc:
       if file_path.end_with? "_test.rb"
         :minitest
       else
-        File.extname(file_path).sub(/\A\./, "").downcase.to_sym
+        File.extname(file_path).delete_prefix(".").downcase.to_sym
       end
     end
 end