Revert "LIbs van timer added"

This reverts commit ab240122ed1e24ef64d7282ed011945d21d6dc9f.
Revert "Libtimer handmatig"

This reverts commit 2198ab0fff42512b13115a986f5626140d9c0969.
Delta weights deleted

Since we don't use momentum in our NN delta weights aren't useful to
track