Revert "introduce debug check."

This reverts commit c3b84f2de83a27acc638f99743bfa2c44bac621c.
Backtrace shows it is before running tests and debug check was
nonsense.

1 files changed, 0 insertions, 11 deletions

diff --git a/tool/lib/leakchecker.rb b/tool/lib/leakchecker.rb
index d463eb235f..af9200bf77 100644
--- a/tool/lib/leakchecker.rb
+++ b/tool/lib/leakchecker.rb
@@ -18,21 +18,10 @@ class LeakChecker
       check_encodings(test_name),
       check_safe(test_name),
       check_verbose(test_name),
-      check_require_arity(test_name),
     ]
     GC.start if leaks.any?
   end
 
-  # to debug
-  def check_require_arity test_name
-    begin
-      require 'enumerator' # to check require's arity
-    rescue ArgumentError => e
-      STDERR.puts "#{e.message} on #{test_name}"
-      raise
-    end
-  end
-
   def check_safe test_name
     puts "#{test_name}: $SAFE == #{$SAFE}" unless $SAFE == 0
   end