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

src/utils/SkOSFile.cpp

Index: src/utils/SkOSFile.cpp
diff --git a/src/utils/SkOSFile.cpp b/src/utils/SkOSFile.cpp
index 73cc147a24c81a5f13b5b2da41c39f74d83678bd..478a0cc44868e4376e5839a052a151729e0d7ff6 100644
--- a/src/utils/SkOSFile.cpp
+++ b/src/utils/SkOSFile.cpp
@@ -226,25 +226,4 @@ bool SkOSFile::Iter::next(SkString* name, bool getDir)
     return false;
 }
 
-SkString SkOSPath::SkPathJoin(const char *rootPath, const char *relativePath) {
-    SkString result(rootPath);
-    if (!result.endsWith(SkPATH_SEPARATOR)) {
-        result.appendUnichar(SkPATH_SEPARATOR);
-    }
-    result.append(relativePath);
-    return result;
-}
-
-SkString SkOSPath::SkBasename(const char* fullPath) {
-    if (!fullPath) {
-        return SkString();
-    }
-    const char* filename = strrchr(fullPath, SkPATH_SEPARATOR);
-    if (NULL == filename) {
-        filename = fullPath;
-    } else {
-        ++filename;
-    }
-    return SkString(filename);
-}
 #endif