Remove FileTest.exists? alias to exist? method

Author: andrykonchin

CHANGELOG.md

@@ -45,6 +45,7 @@ Compatibility:
 * Support passing anonymous * and ** parameters as method call arguments (#3039, @andrykonchin).
 * Handle either positional or keywords arguments by default in `Struct.new` (#3039, @rwstauner).
 * Remove deprecated methods `Dir.exists?`, `File.exists?`, and `Kernel#=~` (#3039, @patricklinpl, @nirvdrum).
+* Remove deprecated `FileTest.exists?` method (#3039, @andrykonchin).
 
 Performance:
 

spec/ruby/core/filetest/exist_spec.rb

@@ -4,3 +4,11 @@
 describe "FileTest.exist?" do
   it_behaves_like :file_exist, :exist?, FileTest
 end
+
+ruby_version_is "3.2" do
+  describe "FileTest.exists?" do
+    it "has been removed" do
+      FileTest.should_not.respond_to?(:exists?)
+    end
+  end
+end

src/main/ruby/truffleruby/core/file_test.rb

@@ -50,7 +50,6 @@ def executable_real?(path)
   def exist?(path)
     File.exist? path
   end
-  alias_method :exists?, :exist?
 
   def file?(path)
     File.file? path
@@ -126,7 +125,6 @@ def zero?(path)
                   :executable?,
                   :executable_real?,
                   :exist?,
-                  :exists?,
                   :file?,
                   :grpowned?,
                   :identical?,