Removed GATK3.5 VCFs from HC integration test files.

[jamesemery]

We have already updated those GATK3 tests to point to a newer version output.

[lbergelson]

rebasing and pushing this to get new tests run

[codecov]

Codecov Report

Merging #7634 (1616adb) into master (7f40444) will increase coverage by 7.389%.
The diff coverage is n/a.

Additional details and impacted files

@@               Coverage Diff               @@
##              master     #7634       +/-   ##
===============================================
+ Coverage     79.254%   86.643%   +7.389%     
- Complexity     36782     38968     +2186     
===============================================
  Files           2337      2337               
  Lines         182747    182747               
  Branches       20067     20066        -1     
===============================================
+ Hits          144835    158338    +13503     
+ Misses         31066     17368    -13698     
- Partials        6846      7041      +195     

Impacted Files	Coverage Δ
...institute/hellbender/tools/sv/PrintReadCounts.java	66.667% <0.000%> (ø)
...itute/hellbender/tools/LocalAssemblerUnitTest.java	92.448% <0.000%> (ø)
...tools/walkers/rnaseq/GeneExpressionEvaluation.java	89.286% <0.000%> (+0.397%)	⬆️
...llbender/tools/spark/sv/evidence/ReadMetadata.java	88.480% <0.000%> (+0.490%)	⬆️
.../walkers/vqsr/CNNScoreVariantsIntegrationTest.java	96.629% <0.000%> (+0.562%)	⬆️
...tmutpileup/ValidateBasicSomaticShortMutations.java	79.570% <0.000%> (+1.075%)	⬆️
...dinstitute/hellbender/tools/sv/SiteDepthtoBAF.java	82.418% <0.000%> (+1.099%)	⬆️
...lkers/validation/EvaluateInfoFieldConcordance.java	72.581% <0.000%> (+1.613%)	⬆️
...va/org/broadinstitute/hellbender/GATKBaseTest.java	98.333% <0.000%> (+1.667%)	⬆️
...kers/variantutils/UpdateVCFSequenceDictionary.java	86.207% <0.000%> (+1.724%)	⬆️
... and 210 more

[lbergelson]

DELETE