Removing deprecated methods and regenerating longrunning

[garrettjonesgoogle]

Generated using googleapis/gapic-generator#1197 .

[codecov-io]

Codecov Report

Merging #283 into master will increase coverage by 0.27%.
The diff coverage is 100%.

@@ Coverage Diff @@## master #283 +/- ##
============================================
+ Coverage 73.64% 73.92% +0.27% 
Complexity 360 360 ============================================
Files 65 65 Lines 1795 1806 +11 Branches 148 148 ============================================
+ Hits 1322 1335 +13 + Misses 402 400 -2 
Partials 71 71

Impacted Files	Coverage Δ	Complexity Δ
.../com/google/api/gax/batching/BatchingSettings.java	81.25% <ø> (+9.02%)	3 <0> (ø)	⬇️
...ava/com/google/longrunning/OperationsSettings.java	77.31% <100%> (+2.78%)	7 <1> (ø)	⬇️

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[michaelbausor]

LGTM