Code cleanup

Author: andreacastello

extra/modules/wurfl-devicedetection/src/main/java/org/prebid/server/hooks/modules/com/scientiamobile/wurfl/devicedetection/v1/OrtbDeviceUpdater.java

@@ -103,7 +103,6 @@ private String getWurflModel() {
     }
 
     private Integer getWurflDeviceType() {
-
         try {
             if (wurflDevice.getVirtualCapabilityAsBool("is_mobile")) {
                 // if at least one of these capabilities is not defined, the mobile device type is undefined
@@ -133,6 +132,7 @@ private Integer getWurflDeviceType() {
             }
         } catch (CapabilityNotDefinedException | VirtualCapabilityNotDefinedException | NumberFormatException e) {
             logger.warn("Failed to determine device type from WURFL device capabilities", e);
+            return null;
         }
         return null;
     }

extra/modules/wurfl-devicedetection/src/main/java/org/prebid/server/hooks/modules/com/scientiamobile/wurfl/devicedetection/v1/WURFLDeviceDetectionRawAuctionRequestHook.java

@@ -56,11 +56,6 @@ public Future<InvocationResult<AuctionRequestPayload>> call(AuctionRequestPayloa
         }
 
         final BidRequest bidRequest = auctionRequestPayload.bidRequest();
-        if (bidRequest.getDevice() == null) {
-            logger.warn("BidRequest is null");
-            return noActionResult();
-        }
-
         final Device device = bidRequest.getDevice();
         if (device == null) {
             logger.warn("Device is null");

extra/modules/wurfl-devicedetection/src/test/java/org/prebid/server/hooks/modules/com/scientiamobile/wurfl/devicedetection/v1/WURFLDeviceDetectionModuleTest.java

@@ -10,7 +10,7 @@
 
 import static org.assertj.core.api.Assertions.assertThat;
 
-class WURFLDeviceDetectionModuleTest {
+public class WURFLDeviceDetectionModuleTest {
 
     @Test
     public void codeShouldReturnCorrectModuleCode() {