1.x: remove semicolon that Eclipse thinks is compile error

[davidmoten]

as per title, gradle build works fine but Eclipse doesn't like it.

[codecov]

Codecov Report

Merging #5353 into 1.x will decrease coverage by 0.07%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##                1.x    #5353      +/-   ##
============================================
- Coverage     84.36%   84.29%   -0.08%     
+ Complexity     2888     2880       -8     
============================================
  Files           291      291              
  Lines         18129    18129              
  Branches       2479     2479              
============================================
- Hits          15294    15281      -13     
- Misses         1965     1974       +9     
- Partials        870      874       +4

Impacted Files	Coverage Δ	Complexity Δ
.../java/rx/internal/util/unsafe/MpscLinkedQueue.java	75.75% <0%> (-12.13%)	9% <0%> (-1%)
...nal/util/atomic/SpscUnboundedAtomicArrayQueue.java	75.21% <0%> (-8.55%)	30% <0%> (-4%)
...in/java/rx/internal/schedulers/SleepingAction.java	55.55% <0%> (-5.56%)	2% <0%> (-1%)
...n/java/rx/subscriptions/CompositeSubscription.java	74.02% <0%> (-2.6%)	23% <0%> (-1%)
.../java/rx/internal/operators/BackpressureUtils.java	70.45% <0%> (-2.28%)	28% <0%> (-1%)
...in/java/rx/internal/operators/OperatorGroupBy.java	90.81% <0%> (-0.71%)	5% <0%> (ø)
...n/java/rx/subjects/SubjectSubscriptionManager.java	81.42% <0%> (+0.71%)	15% <0%> (ø)	⬇️
...ain/java/rx/internal/operators/OnSubscribeAmb.java	84.17% <0%> (+5.03%)	13% <0%> (ø)	⬇️

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[Mikey-Burns]

Sorry about that. Good catch.