Remove fallback for yoshi-java

[chingor13]

This is clogging notifications and we will have a better solution for notifying

[codecov]

Codecov Report

Merging #5718 into master will increase coverage by 0.38%.
The diff coverage is n/a.

@@ Coverage Diff @@## master #5718 +/- ##
============================================
+ Coverage 46.69% 47.08% +0.38% - Complexity 23559 24993 +1434 
============================================
Files 2382 2382 Lines 254149 259279 +5130 Branches 29220 29369 +149 ============================================
+ Hits 118682 122073 +3391 - Misses 127433 128263 +830 - Partials 8034 8943 +909

Impacted Files	Coverage Δ	Complexity Δ
...va/com/google/cloud/compute/v1/InstanceClient.java	55.4% <0%> (-7.84%)	139% <0%> (+34%)
...ava/com/google/cloud/compute/v1/ProjectClient.java	57.07% <0%> (-6.99%)	55% <0%> (+13%)
...va/com/google/cloud/compute/v1/SnapshotClient.java	55.73% <0%> (-6.88%)	31% <0%> (+7%)
...oogle/cloud/kms/v1/KeyManagementServiceClient.java	62.88% <0%> (-6.84%)	103% <0%> (+25%)
...a/com/google/cloud/compute/v1/NodeGroupClient.java	60.36% <0%> (-6.82%)	51% <0%> (+12%)
.../com/google/cloud/compute/v1/SubnetworkClient.java	60.36% <0%> (-6.82%)	51% <0%> (+12%)
...d/compute/v1/RegionInstanceGroupManagerClient.java	54.5% <0%> (-6.79%)	51% <0%> (+12%)
.../com/google/cloud/compute/v1/TargetPoolClient.java	57.07% <0%> (-6.73%)	47% <0%> (+11%)
.../google/cloud/compute/v1/TargetSslProxyClient.java	54.28% <0%> (-6.69%)	35% <0%> (+8%)
...e/cloud/compute/v1/InstanceGroupManagerClient.java	57.32% <0%> (-6.66%)	55% <0%> (+13%)
... and 620 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 1b91bbd...917889e. Read the comment docs.