remove useless break statement

[rudyfly]

Ⅰ. Describe what this PR did

remove useless break statement

Ⅱ. Does this pull request fix one issue?

fixes #2804

Ⅲ. Why don't you add test cases (unit test/integration test)? (你真的觉得不需要加测试吗？)

NA

Ⅳ. Describe how to verify it

NA

Ⅴ. Special notes for reviews

Signed-off-by: Rudy Zhang rudyflyzhang@gmail.com

[codecov]

Codecov Report

Merging #2838 into master will increase coverage by 0.08%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #2838      +/-   ##
==========================================
+ Coverage      69%   69.09%   +0.08%     
==========================================
  Files         285      285              
  Lines       17824    17823       -1     
==========================================
+ Hits        12300    12315      +15     
+ Misses       4119     4104      -15     
+ Partials     1405     1404       -1

Flag	Coverage Δ
#criv1alpha2_test	39.04% <ø> (+0.04%)	⬆️
#integration_test_0	36.61% <ø> (-0.01%)	⬇️
#integration_test_1	35.41% <ø> (+0.09%)	⬆️
#integration_test_2	36.61% <ø> (+0.08%)	⬆️
#integration_test_3	35.46% <ø> (+0.02%)	⬆️
#node_e2e_test	34.77% <ø> (-0.05%)	⬇️
#unittest	28.57% <ø> (ø)	⬆️

Impacted Files	Coverage Δ
storage/quota/quota.go	10.69% <ø> (+0.04%)	⬆️
daemon/logger/crilog/log.go	79.71% <0%> (-2.9%)	⬇️
daemon/containerio/io.go	72.81% <0%> (-1.95%)	⬇️
cri/v1alpha2/cri.go	68.81% <0%> (-0.51%)	⬇️
ctrd/container.go	54.68% <0%> (+0.76%)	⬆️
daemon/mgr/container_utils.go	77.77% <0%> (+1.01%)	⬆️
ctrd/supervisord/daemon.go	50.67% <0%> (+1.35%)	⬆️
pkg/meta/store.go	68.99% <0%> (+1.55%)	⬆️
cri/ocicni/netns.go	60.81% <0%> (+2.7%)	⬆️
pkg/system/system.go	71.42% <0%> (+2.85%)	⬆️
... and 1 more