remove a period from the service protocol printout

[devoncarew]

Description

• remove a period from the service protocol printout

If users include the period (when copying and pasting the url to a tool like devtools), they'll see an error when trying to connect.

@jonahwilliams

[fluttergithubbot]

It looks like this pull request may not have tests. Please make sure to add tests before merging. While there are exceptions to this rule, if this patch modifies code it is probably not an exception.

Reviewers: Read the Tree Hygiene page and make sure this patch meets those guidelines before LGTMing.

[jonahwilliams]

D'oh

LGTM!

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (master@359b532). Click here to learn what that means.
The diff coverage is 100%.

@@            Coverage Diff            @@
##             master   #39545   +/-   ##
=========================================
  Coverage          ?   56.61%           
=========================================
  Files             ?      195           
  Lines             ?    18507           
  Branches          ?        0           
=========================================
  Hits              ?    10478           
  Misses            ?     8029           
  Partials          ?        0

Flag	Coverage Δ
#flutter_tool	56.61% <100%> (?)

Impacted Files	Coverage Δ
...ools/lib/src/build_runner/resident_web_runner.dart	70.14% <100%> (ø)

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