Revert "Fix problem when loading from cache"

This reverts commit 7c3a9eb427.

Also force increment the cache in case others
got the prior commit.

src/Song.cpp

@@ -42,7 +42,7 @@
  * @brief The internal version of the cache for StepMania.
  *
  * Increment this value to invalidate the current cache. */
-const int FILE_CACHE_VERSION = 211;
+const int FILE_CACHE_VERSION = 212;
 
 /** @brief How long does a song sample last by default? */
 const float DEFAULT_MUSIC_SAMPLE_LENGTH = 12.f;