Remove Map null annotation workarounds (#8916)

These workarounds to prevent false positives can be removed now the EEAs allow for proper null analysis.

Signed-off-by: Wouter Born <github@maindrain.net>

bundles/org.openhab.binding.melcloud/src/main/java/org/openhab/binding/melcloud/internal/discovery/MelCloudDiscoveryService.java

@@ -61,7 +61,7 @@ public class MelCloudDiscoveryService extends AbstractDiscoveryService
     }
 
     @Override
-    protected void activate(Map<String, @Nullable Object> configProperties) {
+    protected void activate(Map<String, Object> configProperties) {
         super.activate(configProperties);
     }
 
@@ -72,7 +72,7 @@ public class MelCloudDiscoveryService extends AbstractDiscoveryService
 
     @Override
     @Modified
-    protected void modified(Map<String, @Nullable Object> configProperties) {
+    protected void modified(Map<String, Object> configProperties) {
         super.modified(configProperties);
     }