haikuwebkit: Change repo location for 1.7.1.
haikuwebkit: Change repo location for 1.7.1.

* Don't bump the revision since there are zero code changes
* Future releases will be from the "haikuwebkit" repo.
* tldr; webkit rewrote their git history.

Begasus/haikuports,haikuports/haikuports,Begasus/haikuports,moochris/haikuports,Begasus/haikuports,haikuports/haikuports,moochris/haikuports,haikuports/haikuports,haikuports/haikuports,Begasus/haikuports,haikuports/haikuports,moochris/haikuports,Begasus/haikuports