Cleanup commented code

In D131#3578, @jback wrote:

Yes, this ready to be merged, assuming that a check has been made to make sure that all of the histogram tests produce something sensible, i.e. they produce non-zero histograms and all of the entries are inside the bin ranges etc.

Yes, this ready to be merged, assuming that a check has been made to make sure that all of the histogram tests produce something sensible, i.e. they produce non-zero histograms and all of the entries are inside the bin ranges etc.

In D131#3576, @abudinen wrote:

@tlatham, @jback, @kreps can we land this?

@tlatham, @jback, @kreps can we land this?

• Updated History.md

• Update History.md

Changes look good.

As shown in !32, I checked myself that these changes fix the bug. So therefore I am approving.