remove num_runs since we don't need it

Author: lanking520

scala-package/mxnet-demo/bin/run_im.sh

@@ -23,13 +23,10 @@ MODEL_PATH_PREFIX=$1
 INPUT_IMG=$2
 # which input image dir
 INPUT_DIR=$3
-# number of runs
-NUM_RUN=$4
 
 CLASSPATH=$CLASSPATH:$CURR_DIR/target/*:$CLASSPATH:$CURR_DIR/target/classes/lib/*
 java -Xmx8G  -cp $CLASSPATH \
   sample.ImageClassificationExample \
   	--model-path-prefix $MODEL_PATH_PREFIX \
 	--input-image $INPUT_IMG \
-	--input-dir $INPUT_DIR \
-	--num-run $NUM_RUN
+	--input-dir $INPUT_DIR \