configure: drop vte-2.90 check

All currently supported distros have vte 0.37 or newer, which is where the
ABI changed from 2.90 to 2.91.  So drop support for the older ABI.

Suggested-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
1 file changed