Delete extra slash for link in "Microsoft Visual C++ Redistributable latest supported downloads"

[Rageking8]

[prmerger-automator[bot]]

@Rageking8 : Thanks for your contribution! The author(s) and reviewer(s) have been notified to review your proposed change.

[learn-build-service-prod[bot]]

Learn Build status updates of commit de883ee:

:white_check_mark: Validation status: passed

File	Status	Preview URL	Details
docs/windows/latest-supported-vc-redist.md	:white_check_mark:Succeeded

For more details, please refer to the build report.

[ttorble]

@MahmoudGSaleh

Can you review the proposed changes?

IMPORTANT: When the changes are ready for publication, adding a #sign-off comment is the best way to signal that the PR is ready for the review team to merge.

#label:"aq-pr-triaged" @MicrosoftDocs/public-repo-pr-review-team