Updating documentation for scheduleActual method

[Archish27]

Remove unnecessary sentence from NewThreadWorker.scheduleActual.

Resolves #7161

[codecov]

Codecov Report

Merging #7164 (f7cb4fe) into 3.x (e657635) will increase coverage by 0.00%.
The diff coverage is n/a.

@@            Coverage Diff            @@
##                3.x    #7164   +/-   ##
=========================================
  Coverage     99.53%   99.54%           
+ Complexity     6708     6707    -1     
=========================================
  Files           745      745           
  Lines         47332    47332           
  Branches       6376     6376           
=========================================
+ Hits          47113    47116    +3     
+ Misses          100       97    -3     
  Partials        119      119           

Impacted Files	Coverage Δ	Complexity Δ
...x/rxjava3/internal/schedulers/NewThreadWorker.java	94.91% <ø> (ø)	19.00 <0.00> (ø)
...nternal/operators/observable/ObservableCreate.java	95.72% <0.00%> (-3.42%)	2.00% <0.00%> (ø%)
...xjava3/internal/observers/FutureMultiObserver.java	96.61% <0.00%> (-3.39%)	27.00% <0.00%> (-1.00%)
...rnal/operators/flowable/FlowableFlatMapSingle.java	94.18% <0.00%> (-2.33%)	2.00% <0.00%> (ø%)
...nternal/operators/parallel/ParallelSortedJoin.java	98.49% <0.00%> (-1.51%)	2.00% <0.00%> (ø%)
...va3/internal/operators/parallel/ParallelRunOn.java	98.52% <0.00%> (-1.48%)	8.00% <0.00%> (ø%)
...3/internal/operators/flowable/FlowablePublish.java	99.00% <0.00%> (-1.00%)	18.00% <0.00%> (ø%)
...a/io/reactivex/rxjava3/subjects/ReplaySubject.java	98.96% <0.00%> (-0.63%)	49.00% <0.00%> (ø%)
...operators/flowable/FlowableConcatMapScheduler.java	99.20% <0.00%> (-0.40%)	4.00% <0.00%> (ø%)
...ternal/operators/flowable/FlowableWindowTimed.java	97.19% <0.00%> (-0.29%)	5.00% <0.00%> (ø%)
... and 7 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update e657635...f7cb4fe. Read the comment docs.

[Archish27]

@akarnokd Thanks for review 👍 Ready to merge 😄