firmware_handler: minor code cleanup

Just return based on the result of the condition instead of deliberately
checking each condition.

Signed-off-by: Patrick Venture <venture@google.com>
Change-Id: I291d8c388d707fe880e70374c3746e595d410632
diff --git a/firmware_handler.cpp b/firmware_handler.cpp
index 5873c69..6e02024 100644
--- a/firmware_handler.cpp
+++ b/firmware_handler.cpp
@@ -120,12 +120,7 @@
 /* Check if the path is in our supported list (or active list). */
 bool FirmwareBlobHandler::canHandleBlob(const std::string& path)
 {
-    if (std::count(blobIDs.begin(), blobIDs.end(), path))
-    {
-        return true;
-    }
-
-    return false;
+    return (std::count(blobIDs.begin(), blobIDs.end(), path) > 0);
 }
 
 /*