Revert "Add ability to pass configuration options to flannel backend"

[rbrtbnfgl]

This reverts commit 8643576.

Proposed Changes

Types of Changes

Verification

Testing

Linked Issues

#11782

User-Facing Change

Further Comments

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 44.07%. Comparing base (2f787dd) to head (eeac035).
Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
pkg/agent/flannel/setup.go	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #11783      +/-   ##
==========================================
- Coverage   44.89%   44.07%   -0.83%     
==========================================
  Files         206      206              
  Lines       19519    19509      -10     
==========================================
- Hits         8763     8598     -165     
- Misses       9485     9667     +182     
+ Partials     1271     1244      -27     

Flag	Coverage Δ
e2etests	35.52% <0.00%> (+1.06%)	⬆️
inttests	35.09% <0.00%> (+0.10%)	⬆️
unittests	16.44% <0.00%> (+<0.01%)	⬆️

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