Remove nonexistent files and rename some files

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58443 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ext/.document

@@ -13,12 +13,6 @@ digest/md5/md5init.c
 digest/rmd160/rmd160init.c
 digest/sha1/sha1init.c
 digest/sha2/sha2init.c
-dl/cfunc.c
-dl/cptr.c
-dl/dl.c
-dl/handle.c
-dl/lib
-dl/win32/lib
 etc/etc.c
 fcntl/fcntl.c
 fiber/fiber.c
@@ -29,17 +23,13 @@ fiddle/function.c
 fiddle/pointer.c
 fiddle/handle.c
 fiddle/lib
-fiddle/win32/lib
 gdbm/gdbm.c
 io/console/console.c
 io/nonblock/nonblock.c
-io/wait/lib
 io/wait/wait.c
-json/ext/generator/generator.c
-json/ext/parser/parser.c
+json/generator/generator.c
 json/lib
-mathn/complex/complex.c
-mathn/rational/rational.c
+json/parser/parser.c
 nkf/lib
 nkf/nkf.c
 objspace/objspace.c
@@ -79,12 +69,12 @@ openssl/ossl_x509revoked.c
 openssl/ossl_x509store.c
 pathname/lib
 pathname/pathname.c
-psych/emitter.c
 psych/lib
-psych/parser.c
 psych/psych.c
-psych/to_ruby.c
-psych/yaml_tree.c
+psych/psych_emitter.c
+psych/psych_parser.c
+psych/psych_to_ruby.c
+psych/psych_yaml_tree.c
 pty/lib
 pty/pty.c
 racc/cparse/cparse.c
@@ -97,7 +87,6 @@ stringio/stringio.c
 strscan/strscan.c
 syslog/syslog.c
 syslog/lib
-thread/thread.c
 win32ole/lib
 win32ole/*.c
 zlib/zlib.c