* internal.h: remove macros STR_NOCAPA and STR_NOCAPA_P().
* string.c (rb_str_resize): remove `STR_SET_NOEMBED(str)' because
  str_make_independent_expand() set NOEMBED flag.
* string.c (rb_str_resize): remove `STR_NOCAPA_P(str)' check because
  `str' is independent (not shared).



git-svn-id: svn+ssh://svn.ruby-lang.org/ruby/trunk@44827 b2dd03c8-39d4-4d8f-98ff-823fe69b080e