remove the hash from the ignoreUrls in docs

[sdowding]

Hello, the docs for ignoreUrls have a mysterious hash that me and my team think may be a mistake in the docs. I have updated it to prevent others from having the same discussion.

... or maybe is has some mysterious power we can't figure out?

[googlebot]

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[sdowding]

I signed it!

[googlebot]

We found a Contributor License Agreement for you (the sender of this pull request), but were unable to find agreements for all the commit author(s) or Co-authors. If you authored these, maybe you used a different email address in the git commits than was used to sign the CLA (login here to double check)? If these were authored by someone else, then they will need to sign a CLA as well, and confirm that they're okay with these being contributed to Google.
In order to pass this check, please resolve this problem and have the pull request author add another comment and the bot will run again. If the bot doesn't comment, it means it doesn't think anything has changed.

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[kjin]

I believe you're right; it seems to be a typo. Thanks!

[googlebot]

A Googler has manually verified that the CLAs look good.

(Googler, please make sure the reason for overriding the CLA status is clearly documented in these comments.)

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