** fix ** Fixes LargeFileUploadTask constructor

fixes #1621

Author: kekolab

src/main/java/com/microsoft/graph/core/tasks/LargeFileUploadTask.java

@@ -88,9 +88,6 @@ public LargeFileUploadTask(@Nullable final RequestAdapter requestAdapter,
         Objects.requireNonNull(uploadSession);
         Objects.requireNonNull(uploadStream);
         Objects.requireNonNull(factory);
-        if(uploadStream.available() <=0) {
-            throw new IllegalArgumentException("Must provide a stream that is not empty.");
-        }
         this.uploadSession = extractSessionFromParsable(uploadSession);
         this.requestAdapter = Objects.isNull(requestAdapter) ? initializeAdapter(this.uploadSession.getUploadUrl()):requestAdapter;
         this.totalUploadLength = streamSize;