Fix minor Eclipse warning.

Author: tinevez

src/main/java/fiji/plugin/trackmate/weka/WekaRunner.java

@@ -131,7 +131,6 @@ public RandomAccessibleInterval< T > computeProbabilities(
 		final ImagePlus probas = segmentation.applyClassifier( vimp, numThreads, true );
 
 		// Convert to Img and extract desired class.
-		@SuppressWarnings( "unchecked" )
 		final ImgPlus< T > probaImp = TMUtils.rawWraps( probas );
 		final ImgPlus< T > classProba = TMUtils.hyperSlice( probaImp, classId, 0 );