fix path to dataset in the SSL channels example

examples/ssl/ssl_channels-removal_training.yaml

@@ -4,7 +4,7 @@
 # We also found channel regualarization to be hard to accomplish in general, and we think this is due to the large size
 # of the channel structure.
 #
-# time python3 compress_classifier.py --arch resnet20_cifar  ../data.cifar10 -p=50 --lr=0.3 --epochs=180 --compress=../ssl/ssl_channels-removal_training.yaml -j=1 --deterministic
+# time python3 compress_classifier.py --arch resnet20_cifar  ../../../data.cifar10 -p=50 --lr=0.3 --epochs=180 --compress=../ssl/ssl_channels-removal_training.yaml -j=1 --deterministic
 #
 # Parameters:
 # +----+-------------------------------------+----------------+---------------+----------------+------------+------------+----------+----------+----------+------------+---------+----------+------------+