Drop Bitstream Vera fonts from 60-latin.conf

Bitstream Vera fonts seems broken so dropped them there.

Fixes #26
3 jobs for master in 20 minutes and 48 seconds (queued for 1 second)
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passed mingw-build #2915042

00:20:46

passed shared-build #2915040

00:05:06

passed static-build #2915041

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