Removing register system beanPostProcessor

[alaneuler]

fix: #579

[codecov-io]

Codecov Report

Merging #580 into master will decrease coverage by <.01%.
The diff coverage is 100%.

@@             Coverage Diff              @@
##             master     #580      +/-   ##
============================================
- Coverage      67.1%   67.09%   -0.01%     
  Complexity       89       89              
============================================
  Files           267      267              
  Lines          7666     7664       -2     
  Branches       1094     1094              
============================================
- Hits           5144     5142       -2     
  Misses         1882     1882              
  Partials        640      640

Impacted Files	Coverage Δ	Complexity Δ
...spring/RuntimeContextBeanFactoryPostProcessor.java	95% <100%> (-0.46%)	0 <0> (ø)

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[caojie09]

LGTM