Revert "Added sahlnaskh arabic font and give it higher precedence than DroidNaskh"

This reverts commit aea94c1a973cb7113bb933d3765e7896bcb6e1cb.

Change-Id: Ifb42e403af60cc58cff09e07ecb110bb9939e8ab
Revert "Added sahlnaskh arabic font to Android.mk & fonts.mk files to actually get the font installed"

This makes it too small.

This reverts commit b827bd795c9e4b9fc5a7dc5d6739750812ab581e.

Change-Id: I50908eb1a6e87a683eecc671c3e1468b3ecf7745
Merge "Revert "Added sahlnaskh arabic font and give it higher precedence than DroidNaskh"" into cm-11.0