test: fix test-vm-timeout-escape-nextick on slow platforms
Continuing to ratchet up robustness (such as it is) in test-vm-timeout-escape-nexttick: The VM timeout does not need to be large on slow platforms. The wait time in the loop does. Remove common.platformTImeout() multiplier function from vm timeout property.
Checklist
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make -j4 test
(UNIX), orvcbuild test
(Windows) passes -
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