Revert "Set required startlevel in ScriptEngineOSGiTest"

This reverts commit ee8ae1e.

Author: Ravi Nadahar

itests/org.openhab.core.model.script.tests/src/main/java/org/openhab/core/model/script/engine/ScriptEngineOSGiTest.java

@@ -47,7 +47,6 @@
 import org.openhab.core.library.unit.SIUnits;
 import org.openhab.core.library.unit.Units;
 import org.openhab.core.model.script.ScriptServiceUtil;
-import org.openhab.core.service.StartLevelService;
 import org.openhab.core.test.java.JavaOSGiTest;
 import org.openhab.core.types.State;
 
@@ -69,7 +68,6 @@ public class ScriptEngineOSGiTest extends JavaOSGiTest {
     private @NonNullByDefault({}) ItemRegistry itemRegistry;
     private @NonNullByDefault({}) ScriptEngine scriptEngine;
     private @Mock @NonNullByDefault({}) UnitProvider unitProviderMock;
-    private @Mock @NonNullByDefault({}) StartLevelService startLevelService;
 
     @BeforeEach
     public void setup() {
@@ -83,9 +81,6 @@ public void setup() {
 
         registerService(eventPublisher);
 
-        when(startLevelService.getStartLevel()).thenReturn(40);
-        registerService(startLevelService, StartLevelService.class.getName());
-
         itemRegistry = getService(ItemRegistry.class);
         assertNotNull(itemRegistry);