hash.c: remove special treatments on deletion
st.c was improved in r56650 that it permits deletion during iteration. In this commit, special treatments for previous implementation are removed.
hash.c: don't use *_check and *_safe functions in st.c
internal.h: remove HASH_DELETED flag
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60076 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
hash.c: remove special treatments on deletion
st.c was improved in r56650 that it permits deletion during iteration.
In this commit, special treatments for previous implementation are
removed.
hash.c: don't use *_check and *_safe functions in st.c
internal.h: remove HASH_DELETED flag
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60076 b2dd03c8-39d4-4d8f-98ff-823fe69b080e