[5.5] Fix the extra ')'

[devilkiller-ag]

Changes made

Changed the link to trace on wikipedia in section Trace and Positivity Conditions to eliminate extra ')'.

Justification

There is an extra ')' after the link to wikipedia which needs to be eliminated. It was due to '(' and ')' in the link to wikipedia. I encoded them with '%28' for '(' and '%29' for '('.

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[devilkiller-ag]

Can someone please review my PR? @nkanazawa1989 @kifumi @kUmezawa @vabarbosa @HwajungKang @frankharkins

[frankharkins]

@devilkiller-ag sorry, I can't see any changes, looks like something strange happened to your fork 😕

[devilkiller-ag]

Kindly review the changes now. Sorry for the inconvenience before.

[frankharkins]

Hi, sorry but you've now removed 22,000 lines and the diff is too large to show on GitHub; can you reset the notebook and make the change again?

[devilkiller-ag]

Sure @frankharkins

[devilkiller-ag]

I am closing this PR and making a new PR for this. Kindly check that PR. Sorry for the inconveniences.