Remove InactiveLimit code (no longer necessary).

Have the test script ignore SIGINT.

testsuite/expect/test15.5

@@ -42,17 +42,10 @@ set sleep_time  180
 
 print_header $test_id
 
-#
-# Make sure sleep time is no larger than InactiveLimit
-set inactive_limit  $sleep_time
 set kill_wait       $sleep_time
 log_user 0
 spawn $scontrol show config
 expect {
-	-re "InactiveLimit *= ($number)" {
-		set inactive_limit $expect_out(1,string)
-		exp_continue
-	}
 	-re "KillWait *= ($number)" {
 		set kill_wait $expect_out(1,string)
 		exp_continue
@@ -66,26 +59,16 @@ expect {
 	}
 }
 log_user 1
-if {$inactive_limit == 0} {
-	set inactive_limit $sleep_time
-}
-if {$inactive_limit < 120} {
-	send_user "\nWARNING: InactiveLimit ($inactive_limit) is too low for this test\n"
-	exit 0
-}
 if {$kill_wait > 60} {
 	send_user "\nWARNING: KillWait ($kill_wait) is too high for this test\n"
 	exit 0
 }
-if {$inactive_limit < $sleep_time} {
-	set sleep_time [expr $inactive_limit + $kill_wait]
-	send_user "\nReset job sleep time to $sleep_time seconds\n"
-}
 
 #
 # Build input script file
 #
 make_bash_script $file_in "
+  trap \"\" SIGINT
   $srun $bin_sleep $sleep_time
   $bin_echo FINI
 "