Revert "libjingle_unittest now compiles and passes on iOS!"

This reverts commit r5986 as it fails compilation on Mac
(non-iOS). The failure was not discovered on the commitbots
since they don't clobber their builds.

BUG=3241
TBR=fischman@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/19399004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@5997 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/talk/base/unixfilesystem.h b/talk/base/unixfilesystem.h
index d709115..aa9c920 100644
--- a/talk/base/unixfilesystem.h
+++ b/talk/base/unixfilesystem.h
@@ -36,17 +36,13 @@
 
 class UnixFilesystem : public FilesystemInterface {
  public:
-  UnixFilesystem();
-  virtual ~UnixFilesystem();
 
 #if defined(ANDROID) || defined(IOS)
-  // Android does not have a native code API to fetch the app data or temp
-  // folders. That needs to be passed into this class from Java. Similarly, iOS
-  // only supports an Objective-C API for fetching the folder locations, so that
-  // needs to be passed in here from Objective-C.  Or at least that used to be
-  // the case; now the ctor will do the work if necessary and possible.
-  // TODO(fischman): add an Android version that uses JNI and drop the
-  // SetApp*Folder() APIs once external users stop using them.
+// Android does not have a native code API to fetch the app data or temp
+// folders. That needs to be passed into this class from Java. Similarly, iOS
+// only supports an Objective-C API for fetching the folder locations, so that
+// needs to be passed in here from Objective-C.
+
   static void SetAppDataFolder(const std::string& folder);
   static void SetAppTempFolder(const std::string& folder);
 #endif