Arista: redo logging entirely

[dhalperi]

Delete grammar, add a show all test, redo grammar.

[batfish-bot]

This change is 

[codecov]

Codecov Report

Merging #6090 into master will increase coverage by 0.05%.
The diff coverage is 100.00%.

@@             Coverage Diff              @@
##             master    #6090      +/-   ##
============================================
+ Coverage     72.62%   72.68%   +0.05%     
- Complexity    34643    34647       +4     
============================================
  Files          2814     2815       +1     
  Lines        141508   141416      -92     
  Branches      16988    16968      -20     
============================================
+ Hits         102772   102790      +18     
+ Misses        30571    30455     -116     
- Partials       8165     8171       +6     

Impacted Files	Coverage Δ	Complexity Δ
...sh/grammar/arista/AristaControlPlaneExtractor.java	32.94% <100.00%> (+1.15%)	576.00 <4.00> (+7.00)
...ish/representation/arista/AristaConfiguration.java	53.53% <100.00%> (+0.32%)	156.00 <1.00> (+1.00)
...sh/representation/arista/AristaStructureUsage.java	100.00% <100.00%> (ø)	3.00 <0.00> (ø)
...org/batfish/representation/arista/LoggingHost.java	100.00% <100.00%> (ø)	2.00 <2.00> (?)
...in/java/org/batfish/representation/arista/Vrf.java	45.94% <100.00%> (+8.44%)	10.00 <3.00> (+3.00)
...rg/batfish/identifiers/StorageBasedIdResolver.java	88.88% <0.00%> (-4.45%)	27.00% <0.00%> (ø%)
.../org/batfish/dataplane/rib/RouteAdvertisement.java	84.78% <0.00%> (-4.35%)	16.00% <0.00%> (-1.00%)
...c/main/java/org/batfish/dataplane/rib/RibTree.java	89.58% <0.00%> (-4.17%)	27.00% <0.00%> (-1.00%)
...src/main/java/org/batfish/coordinator/PoolMgr.java	62.92% <0.00%> (-1.13%)	15.00% <0.00%> (-1.00%)
...a/org/batfish/representation/aws/LoadBalancer.java	82.18% <0.00%> (-0.32%)	70.00% <0.00%> (-1.00%)
... and 7 more

[progwriter]

Reviewed 11 of 11 files at r1.
Reviewable status: complete! all files reviewed, all discussions resolved