Remove a redundant state check

[tkf]

No description provided.

[codecov]

Codecov Report

Merging #25 (65c87d6) into master (81f5847) will decrease coverage by 1.75%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master      #25      +/-   ##
==========================================
- Coverage   81.96%   80.21%   -1.76%     
==========================================
  Files          12       12              
  Lines        1331     1329       -2     
==========================================
- Hits         1091     1066      -25     
- Misses        240      263      +23     

Flag	Coverage Δ
unittests	80.21% <ø> (-1.76%)	⬇️

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Impacted Files	Coverage Δ
src/dlcrq.jl	74.06% <ø> (-0.73%)	⬇️
src/msqueue.jl	77.08% <0.00%> (-10.42%)	⬇️
src/stack.jl	89.28% <0.00%> (-7.15%)	⬇️
src/lcrq.jl	76.16% <0.00%> (-4.07%)	⬇️
src/dict.jl	84.61% <0.00%> (-1.29%)	⬇️
src/workstealing.jl	92.38% <0.00%> (-0.96%)	⬇️

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