Convert ksysguard test to Plasma system monitor test

These were switched out in comps recently.

Signed-off-by: Adam Williamson <awilliam@redhat.com>

needles/kde/apps/ksysguard_runs.json

@@ -1,15 +0,0 @@
-{
-  "properties": [],
-  "tags": [
-    "ksysguard_runs"
-  ],
-  "area": [
-    {
-      "xpos": 349,
-      "ypos": 9,
-      "width": 107,
-      "height": 14,
-      "type": "match"
-    }
-  ]
-}

tests/apps_startstop/kde/plasmasystemmonitor.pm

@@ -3,15 +3,14 @@ use strict;
 use testapi;
 use utils;
 
-# This test checks that System monitor  starts.
+# This test checks that Plasma system monitor starts.
 
 sub run {
     my $self = shift;
-    
     # Start the application
-    menu_launch_type 'ksysguard';
+    menu_launch_type 'system monitor';
     # Check that it is started
-    assert_screen 'ksysguard_runs';
+    assert_screen 'systemmonitor_runs';
     # Close the application
     quit_with_shortcut();
 }