file: drop the text based magic DBs
file: drop the text based magic DBs

We have three copies of this in the package, but
neither Arch, nor Debian ship them in their package.

Let's just drop them.

This was copied from cygwin, which copied from Fedora:
https://cygwin.com/git-cygwin-packages/?p=git/cygwin-packages/file.git;a=blob;f=file.cygport;h=803ce6b422d4ef316ec25f6587725720bb078f79;hb=HEAD
but it's not clear why it is needed.

mati865/MSYS2-packages,waterlan/MSYS2-packages,JPeterMugaas/MSYS2-packages,mati865/MSYS2-packages,waterlan/MSYS2-packages,JPeterMugaas/MSYS2-packages,waterlan/MSYS2-packages,waterlan/MSYS2-packages,mati865/MSYS2-packages,JPeterMugaas/MSYS2-packages,mati865/MSYS2-packages,JPeterMugaas/MSYS2-packages