[src/core/jpg.js] Remove redundant marker validation at the end of the decodeScan function (PR 11805 follow-up)

[Snuffleupagus]

With the MCU parsing changes made in PR #11805, the final marker validation is no longer necessary before the decodeScan function returns.

[Snuffleupagus]

/botio test

[pdfjsbot]

From: Bot.io (Linux m4)

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Command cmd_test from @Snuffleupagus received. Current queue size: 0

Live output at: http://54.67.70.0:8877/a97a14c31261087/output.txt

[pdfjsbot]

From: Bot.io (Windows)

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Received

Command cmd_test from @Snuffleupagus received. Current queue size: 0

Live output at: http://54.215.176.217:8877/1b2336bc9737f9a/output.txt

[pdfjsbot]

From: Bot.io (Linux m4)

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Failed

Full output at http://54.67.70.0:8877/a97a14c31261087/output.txt

Total script time: 60.00 mins

[pdfjsbot]

From: Bot.io (Windows)

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Failed

Full output at http://54.215.176.217:8877/1b2336bc9737f9a/output.txt

Total script time: 60.00 mins

[timvandermeij]

/botio test

[pdfjsbot]

From: Bot.io (Linux m4)

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Received

Command cmd_test from @timvandermeij received. Current queue size: 0

Live output at: http://54.67.70.0:8877/c1c9e649722a754/output.txt

[pdfjsbot]

From: Bot.io (Windows)

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Received

Command cmd_test from @timvandermeij received. Current queue size: 0

Live output at: http://54.215.176.217:8877/dca79029dcca76b/output.txt

[pdfjsbot]

From: Bot.io (Windows)

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Failed

Full output at http://54.215.176.217:8877/dca79029dcca76b/output.txt

Total script time: 1.80 mins

• Font tests: FAILED
• Unit tests: FAILED
• Regression tests: FAILED

Image differences available at: http://54.215.176.217:8877/dca79029dcca76b/reftest-analyzer.html#web=eq.log

[pdfjsbot]

From: Bot.io (Linux m4)

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Failed

Full output at http://54.67.70.0:8877/c1c9e649722a754/output.txt

Total script time: 19.82 mins

• Font tests: Passed
• Unit tests: Passed
• Regression tests: FAILED

Image differences available at: http://54.67.70.0:8877/c1c9e649722a754/reftest-analyzer.html#web=eq.log

[timvandermeij]

Let's do this; thanks!