Simplify dependency manager: remove unused code

[fbiville]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 15 lines in your changes missing coverage. Please review.

Project coverage is 46.17%. Comparing base (cd28d01) to head (4b0d74c).

Files with missing lines	Patch %	Lines
...oogle/cloud/teleport/v2/neo4j/utils/BeamBlock.java	0.00%	8 Missing ⚠️
...eleport/v2/neo4j/templates/GoogleCloudToNeo4j.java	0.00%	7 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #2011      +/-   ##
============================================
+ Coverage     46.16%   46.17%   +0.01%     
+ Complexity     3843     3840       -3     
============================================
  Files           856      856              
  Lines         51010    50984      -26     
  Branches       5365     5364       -1     
============================================
- Hits          23548    23542       -6     
+ Misses        25760    25739      -21     
- Partials       1702     1703       +1     

Components	Coverage Δ
spanner-templates	67.88% <ø> (-0.02%)	⬇️
spanner-import-export	65.54% <ø> (-0.06%)	⬇️
spanner-live-forward-migration	76.42% <ø> (ø)
spanner-live-reverse-replication	77.35% <ø> (ø)
spanner-bulk-migration	87.16% <ø> (ø)

Files with missing lines	Coverage Δ
...eleport/v2/neo4j/templates/GoogleCloudToNeo4j.java	0.00% <0.00%> (ø)
...oogle/cloud/teleport/v2/neo4j/utils/BeamBlock.java	0.00% <0.00%> (ø)

... and 3 files with indirect coverage changes

[ali-ince]

LGTM, nice simplification 👍