fix(processing): remove "Microsoft OOXML" from the default skip magic set.

We've observed third-party libraries being shipped within OOXML
containers. We don't want unblob to skip them.

Author: qkaiser

unblob/processing.py

@@ -64,7 +64,6 @@
     "MS Windows icon resource",
     "Macromedia Flash data",
     "Microsoft Excel",
-    "Microsoft OOXML",
     "Microsoft PowerPoint",
     "Microsoft Word",
     "OpenDocument",