Remove save kwarg--that's what generate() does!

imagekit/files.py

@@ -107,7 +107,7 @@ class ImageSpecCacheFile(BaseIKFile, ImageFile):
     def validate(self):
         return self.spec.image_cache_backend.validate(self)
 
-    def generate(self, save=True):
+    def generate(self):
         if self.source_file:  # TODO: Should we error here or something if the source_file doesn't exist?
             # Process the original image file.
             content = self.spec.apply(self.source_file)

imagekit/imagecache/backends.py

@@ -67,7 +67,7 @@ class Simple(CachedValidationBackend):
         Generates a new image by running the processors on the source file.
 
         """
-        file.generate(save=True)
+        file.generate()
 
     def invalidate(self, file):
         """