Revert "Add locks around accesses/modifications to global encodings table"

This reverts commit cf4d37fbc079116453e69cf08ea8007d0e1c73e6.

1 files changed, 0 insertions, 18 deletions

diff --git a/test/ruby/test_encoding.rb b/test/ruby/test_encoding.rb
index ae4e4a7cf7..0ab357f53a 100644
--- a/test/ruby/test_encoding.rb
+++ b/test/ruby/test_encoding.rb
@@ -136,22 +136,4 @@ class TestEncoding < Test::Unit::TestCase
       assert "[Bug #19562]"
     end;
   end
-
-  def test_ractor_force_encoding_parallel
-    assert_ractor("#{<<~"begin;"}\n#{<<~'end;'}")
-    begin;
-      $-w = nil
-      rs = []
-      100.times do
-        rs << Ractor.new do
-          "abc".force_encoding(Encoding.list.shuffle.first)
-        end
-      end
-      while rs.any?
-        r, _obj = Ractor.select(*rs)
-        rs.delete(r)
-      end
-      assert rs.empty?
-    end;
-  end
 end