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.volvooncall/src/main/java/org/openhab/binding/volvooncall/internal/discovery/VolvoVehicleDiscoveryService.java

@@ -63,7 +63,7 @@ public class VolvoVehicleDiscoveryService extends AbstractDiscoveryService imple
     }
 
     @Override
-    public void activate(@Nullable Map<String, @Nullable Object> configProperties) {
+    public void activate(@Nullable Map<String, Object> configProperties) {
         super.activate(configProperties);
     }