test-inotify-debuginotify.t: migrate to killdaemons from kill `cat pidfile`

tests/test-check-code-hg.t

@@ -10,9 +10,6 b' New errors are not allowed. Warnings are'
 
   $ hg manifest | xargs "$check_code" --warnings --nolineno --per-file=0 \
   > || false
-  tests/test-inotify-debuginotify.t:0:
-   >   $ kill `cat hg.pid`
-   don't use kill, use killdaemons.py
   tests/test-inotify-issue1371.t:0:
    >   $ kill `cat hg.pid`
    don't use kill, use killdaemons.py

tests/test-inotify-debuginotify.t

@@ -38,4 +38,4 b' empty again'
   directories being watched:
     /
     .hg/
-  $ kill `cat hg.pid`
+  $ "$TESTDIR/killdaemons.py" hg.pid