This CL marks `Debugger.setScriptSource` as deprecated in
js_protocol.pdl, makes the method return an unconditional "no longer
available" error, and deletes all inspector and debugger tests that
tested live editing.
TAG=agy CONV=ed8ed8e4-6d14-4137-9725-7cc8e7f930ef
Bug: 434596678
Change-Id: I80ff93d558aee861916b1743ba37e6ac91ae54c3
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/8238091
Reviewed-by: Philip Pfaffe <pfaffe@chromium.org>
Commit-Queue: Simon Zünd <szuend@chromium.org>
Cr-Commit-Position: refs/heads/main@{#109162}