Revert r36699 and r36700. [Feature #6130]

Revert "Kernel#inspect: improve consistency and do not call #to_s."
Revert "update PP with recent Kernel#inspect change. Patch by Yusuke Endoh."

r36699 cause test-all failure on test/drb/test_drb.rb and
test/drb/test_drbssl.rb. Run test-all before commit.

Moreover its ChangeLog formst is wrong: see CommitterHowto
https://bugs.ruby-lang.org/projects/ruby/wiki/CommitterHowto#ChangeLog

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36701 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 0 insertions, 1 deletions

diff --git a/io.c b/io.c
index b1a38cc707..52eb49574b 100644
--- a/io.c
+++ b/io.c
@@ -11505,7 +11505,6 @@ Init_IO(void)
     rb_define_method(rb_cARGF, "initialize", argf_initialize, -2);
     rb_define_method(rb_cARGF, "initialize_copy", argf_initialize_copy, 1);
     rb_define_method(rb_cARGF, "to_s", argf_to_s, 0);
-    rb_define_alias(rb_cARGF, "inspect", "to_s");
     rb_define_method(rb_cARGF, "argv", argf_argv, 0);
 
     rb_define_method(rb_cARGF, "fileno", argf_fileno, 0);