Use system uriparser

[yselkowitz]

uriparser is now being pulled into ELN as a result of a rewrite of dnfconfd to C:

https://src.fedoraproject.org/rpms/dnsconfd/c/b0d1da00f72e1c21f3e9ecb5f801cfa910ce2ef6

If we are committed to maintaining the standalone uriparser in RHEL 11, then freerdp and php could also use it rather than their bundled versions.