Remove unused import

Author: Ndiritu

src/main/java/com/microsoft/graph/core/requests/upload/UploadSessionRequestBuilder.java

@@ -2,7 +2,6 @@
 
 import com.microsoft.graph.core.models.IUploadSession;
 import com.microsoft.graph.core.models.UploadResult;
-import com.microsoft.graph.core.models.UploadSession;
 import com.microsoft.kiota.*;
 import com.microsoft.kiota.serialization.Parsable;
 import com.microsoft.kiota.serialization.ParsableFactory;