Don't warn about tap conflicts during pruning

Fixes #32710.
jruby 1.7.16

Closes #32708.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
fswatch 1.4.5

Closes #32707.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
fswatch: update 1.4.5 bottle.
rakudo-star 2014.09
rakudo-star: update 2014.09 bottle.