Delete unused N_watch()
Delete unused N_watch()

Not a proper debugging hook, and no corresponding native.

hostilefork/rebol,kealist/ren-c,kealist/ren-c,giuliolunati/ren-c,codebybrett/ren-c,draegtun/ren-c,draegtun/ren-c,rgchris/ren-c,codebybrett/ren-c,giuliolunati/ren-c,giuliolunati/ren-c,rgchris/ren-c,giuliolunati/ren-c,kealist/ren-c,codebybrett/ren-c,rgchris/ren-c,hostilefork/rebol,hostilefork/rebol,giuliolunati/ren-c,draegtun/ren-c,rgchris/ren-c,hostilefork/rebol,kealist/ren-c,codebybrett/ren-c,hostilefork/rebol,draegtun/ren-c,draegtun/ren-c,kealist/ren-c,codebybrett/ren-c,draegtun/ren-c,kealist/ren-c,hostilefork/rebol,rgchris/ren-c,codebybrett/ren-c