Fix shadows test script for Qt 6

BenchmarkDemoQt6/BenchmarkUI/testscripts/shadows.json

@@ -19,28 +19,9 @@
         "name":"2 Directional lights, shadows ON",
         "shadowsEnabled":true
     },
-    {
-        "name":"Area light, shadows OFF",
-        "lightTypeIndex":1,
-        "lightInstanceCount":1,
-        "shadowsEnabled":false
-    },
-    {
-        "name":"Area light, shadows ON",
-        "shadowsEnabled":true
-    },
-    {
-        "name":"2 Area lights, shadows OFF",
-        "lightInstanceCount":2,
-        "shadowsEnabled":false
-    },
-    {
-        "name":"2 Area lights, shadows ON",
-        "shadowsEnabled":true
-    },
     {
         "name":"Point light, shadows OFF",
-        "lightTypeIndex":2,
+        "lightTypeIndex":1,
         "lightInstanceCount":1,
         "shadowsEnabled":false
     },
@@ -59,7 +40,7 @@
     },
     {
         "name":"Spot light, shadows OFF",
-        "lightTypeIndex":3,
+        "lightTypeIndex":2,
         "lightInstanceCount":1,
         "shadowsEnabled":false
     },