feat: remove xcolor

[sysulq]

Describe what this PR does / why we need it

Does this pull request fix one issue?

Describe how you did it

Describe how to verify it

Special notes for reviews

[codecov-commenter]

Codecov Report

Merging #368 (e21ffe0) into master (e09be57) will increase coverage by 1.30%.
The diff coverage is 42.85%.

@@            Coverage Diff             @@
##           master     #368      +/-   ##
==========================================
+ Coverage   36.42%   37.73%   +1.30%     
==========================================
  Files          81       84       +3     
  Lines        5257     5525     +268     
==========================================
+ Hits         1915     2085     +170     
- Misses       3223     3301      +78     
- Partials      119      139      +20     

Impacted Files	Coverage Δ
pkg/application/application.go	75.21% <0.00%> (ø)
pkg/client/grpc/interceptor.go	0.00% <0.00%> (ø)
pkg/store/gorm/interceptor.go	0.00% <0.00%> (ø)
pkg/xlog/log.go	72.05% <80.00%> (ø)
pkg/hooks/hooks.go	100.00% <100.00%> (ø)
pkg/client/resty/resty.go	88.88% <0.00%> (-1.12%)	⬇️
pkg/sentinel/context.go	0.00% <0.00%> (ø)
pkg/sentinel/sentinel.go	30.00% <0.00%> (ø)
pkg/sentinel/sentinel_circuitbreaker.go	100.00% <0.00%> (ø)
pkg/sentinel/datasouce_etcd.go	48.00% <0.00%> (ø)
... and 1 more

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.