remove ClickHouse support

[zhenghaoz]

No description provided.

[codecov]

Codecov Report

Patch coverage: 90.00% and project coverage change: -0.29 ⚠️

Comparison is base (53b0c99) 70.60% compared to head (047cb66) 70.32%.

❗ Current head 047cb66 differs from pull request most recent head 0a351df. Consider uploading reports for the commit 0a351df to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #648      +/-   ##
==========================================
- Coverage   70.60%   70.32%   -0.29%     
==========================================
  Files          63       63              
  Lines       12460    12316     -144     
==========================================
- Hits         8798     8661     -137     
- Misses       2829     2831       +2     
+ Partials      833      824       -9     

Impacted Files	Coverage Δ
config/config.go	71.62% <ø> (-0.24%)	⬇️
storage/data/database.go	55.28% <ø> (-0.28%)	⬇️
storage/data/mongodb.go	80.76% <ø> (-0.08%)	⬇️
storage/data/no_database.go	100.00% <ø> (ø)
storage/data/redis.go	70.34% <ø> (-0.15%)	⬇️
storage/data/sql.go	76.19% <90.00%> (-1.88%)	⬇️

... and 2 files with indirect coverage changes

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

☔ View full report in Codecov by Sentry.
📢 Do you have feedback about the report comment? Let us know in this issue.

[flymedllva]

@zhenghaoz why?
At the same time, there are a lot of references to the clickhouse and benchmarks on the site in all the documentation....

[zhenghaoz]

@zhenghaoz why? At the same time, there are a lot of references to the clickhouse and benchmarks on the site in all the documentation....

ClickHouse is not suitable for lots of point query. The document corresponds for 0.4.x and there will be no clickhouse in 0.5.x.