Revert "Add path utils, plus a test for it."

This reverts commit d172374b46cae0bd5d7c024b9848f5bdafcc6a16.

This CL broke on Windows.

Review URL: https://codereview.chromium.org/15986004

git-svn-id: http://skia.googlecode.com/svn/trunk@9278 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gm/gmmain.cpp b/gm/gmmain.cpp
index 3c4f27d..3481cf8 100644
--- a/gm/gmmain.cpp
+++ b/gm/gmmain.cpp
@@ -222,7 +222,7 @@
         filename.append(renderModeDescriptor);
         filename.appendUnichar('.');
         filename.append(suffix);
-        return SkOSPath::SkPathJoin(path, filename.c_str());
+        return SkPathJoin(path, filename.c_str());
     }
 
     /* since PNG insists on unpremultiplying our alpha, we take no