configure.in: remove SSE options

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47129 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

configure.in

@@ -877,22 +877,6 @@ if test "$GCC" = yes; then
     for oflag in -fno-fast-math; do
 	RUBY_TRY_CFLAGS($oflag, [RUBY_APPEND_OPTION(optflags, $oflag)])
     done
-    AS_CASE(["$target"],
-	[*-darwin*], [
-	    # doesn't seem necessary on Mac OS X
-	],
-	[[i[4-6]86*|i386*mingw*]], [
-	    RUBY_TRY_CFLAGS(-msse2 -mfpmath=sse, [
-		RUBY_APPEND_OPTION(XCFLAGS, -msse2 -mfpmath=sse)
-	    ])
-            AS_CASE(["$XCFLAGS"],
-                [[*-msse2*]], [
-                    RUBY_TRY_CFLAGS(-mstackrealign, [
-                        RUBY_APPEND_OPTION(XCFLAGS, -mstackrealign)
-                    ])
-                ])
-	]
-    )
 fi
 
 AC_ARG_WITH(opt-dir,