tamed: Ignore SIGUSR2

This was originally going to tell tamed to redraw the runner status line,
but a different approach was taken.

bin/tame

@@ -86,10 +86,6 @@ command-runner()
   date +%s > "$base/cmdstart"
   echo "$*" > "$base/cmdline"
 
-  # notify tamed that it should update any diagnostic display
-  #local -ri tamed_pid=$( < "$root/pid" )
-  #kill -USR2 "$tamed_pid"
-
   # all remaining arguments are passed to the runner
   echo "$*" > "$base/0"
 

bin/tamed

@@ -564,9 +564,6 @@ main()
   spawn-runner 0 "$root"
   trap "spawn-next-runner '$root'" USR1
 
-  # runner report on SIGUSR2
-  trap "runner-report-line '$root'" USR2
-
   # status line reporting on runners for TUI mode
   tui-runner-status-line &