viModel question: remove edges

[progwriter]

Full rationale: https://docs.google.com/document/d/162gdCqqZ6M-eR6YIWeOQntcTcR_7GmVGOTz745ShULg/edit

TLDR: this edge data is not up to our newer standards; we do have edge questions that are better; this lets us stop maintaining a bunch of old code.

[batfish-bot]

This change is 

[codecov]

Codecov Report

Merging #4418 into master will decrease coverage by 0.04%.
The diff coverage is 100%.

@@             Coverage Diff              @@
##             master    #4418      +/-   ##
============================================
- Coverage     75.17%   75.12%   -0.05%     
+ Complexity    26604    26567      -37     
============================================
  Files          2157     2154       -3     
  Lines        106169   106010     -159     
  Branches      12815    12799      -16     
============================================
- Hits          79808    79643     -165     
- Misses        20242    20243       +1     
- Partials       6119     6124       +5

Impacted Files	Coverage Δ	Complexity Δ
...in/java/org/batfish/datamodel/eigrp/EigrpEdge.java	77.77% <ø> (+16.9%)	9 <0> (ø)	⬇️
...va/org/batfish/question/VIModelQuestionPlugin.java	100% <100%> (+5.21%)	3 <1> (-1)	⬇️
...n/java/org/batfish/common/topology/Layer3Edge.java	62.5% <0%> (-21.88%)	11% <0%> (-1%)
...ava/org/batfish/datamodel/BgpActivePeerConfig.java	63.63% <0%> (-6.07%)	5% <0%> (-1%)
...src/main/java/org/batfish/coordinator/PoolMgr.java	59.55% <0%> (-4.5%)	13% <0%> (-2%)
...rc/main/java/org/batfish/datamodel/flow/Trace.java	87.09% <0%> (-3.23%)	12% <0%> (-1%)
...java/org/batfish/datamodel/EigrpExternalRoute.java	66.12% <0%> (-3.23%)	12% <0%> (-1%)
...va/org/batfish/datamodel/bgp/BgpTopologyUtils.java	80.51% <0%> (-2.6%)	57% <0%> (-4%)
...org/batfish/datamodel/flow/BidirectionalTrace.java	81.81% <0%> (-2.28%)	14% <0%> (ø)
.../org/batfish/datamodel/ospf/OspfTopologyUtils.java	92.39% <0%> (-2.18%)	27% <0%> (-1%)
... and 5 more

[sfraint]

Reviewed 10 of 10 files at r1.
Reviewable status: complete! all files reviewed, all discussions resolved