Remove unnecessary gradle definition

[pavolloffay]

No description provided.

[yurishkuro]

Looks like a flaky test (#184)

com.uber.jaeger.reporters.RemoteReporterTest > testFlushUpdatesQueueLength FAILED
    java.lang.AssertionError: expected:<0> but was:<1>
        at org.junit.Assert.fail(Assert.java:88)
        at org.junit.Assert.failNotEquals(Assert.java:834)
        at org.junit.Assert.assertEquals(Assert.java:645)
        at org.junit.Assert.assertEquals(Assert.java:631)
        at com.uber.jaeger.reporters.RemoteReporterTest.testFlushUpdatesQueueLength(RemoteReporterTest.java:213)

[codecov-io]

Codecov Report

Merging #183 into master will decrease coverage by 0.05%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##             master     #183      +/-   ##
============================================
- Coverage     80.94%   80.89%   -0.06%     
+ Complexity      461      460       -1     
============================================
  Files            77       77              
  Lines          1790     1790              
  Branches        210      210              
============================================
- Hits           1449     1448       -1     
  Misses          251      251              
- Partials         90       91       +1

Impacted Files	Coverage Δ	Complexity Δ
.../uber/jaeger/samplers/RemoteControlledSampler.java	91.54% <0%> (-1.41%)	18% <0%> (-1%)

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