change: delete netpoll mode

[taoyuanyuan]

Issues associated with this PR

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UT result

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[codecov]

Codecov Report

Base: 60.33% // Head: 60.58% // Increases project coverage by +0.25% 🎉

Coverage data is based on head (f2b9a35) compared to base (d2f891a).
Patch coverage: 100.00% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2156      +/-   ##
==========================================
+ Coverage   60.33%   60.58%   +0.25%     
==========================================
  Files         417      416       -1     
  Lines       36583    36445     -138     
==========================================
+ Hits        22071    22081      +10     
+ Misses      12326    12188     -138     
+ Partials     2186     2176      -10     

Impacted Files	Coverage Δ
pkg/config/v2/server.go	64.70% <ø> (ø)
pkg/mtls/crypto/tls/tls_custom.go	40.00% <ø> (ø)
pkg/server/handler.go	40.40% <ø> (+0.79%)	⬆️
pkg/server/server.go	0.00% <ø> (ø)
pkg/network/connection.go	44.99% <100.00%> (+5.60%)	⬆️
pkg/module/http2/transport.go	78.33% <0.00%> (-0.29%)	⬇️
pkg/module/http2/server.go	81.85% <0.00%> (+0.21%)	⬆️
pkg/stream/xprotocol/conn.go	41.53% <0.00%> (+1.09%)	⬆️
pkg/upstream/servicediscovery/dubbod/bootstrap.go	68.75% <0.00%> (+4.16%)	⬆️
... and 1 more

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[alpha-baby]

这是要移除 easygo ？
是考虑到上了 MOE 后 easygo 意义不大，所以才要移除？

[taoyuanyuan]

这是要移除 easygo ？
是考虑到上了 MOE 后 easygo 意义不大，所以才要移除？

是的哈，MOE下个版本会开源～

[alpha-baby]

这是要移除 easygo ？
是考虑到上了 MOE 后 easygo 意义不大，所以才要移除？

是的哈，MOE下个版本会开源～

最好给个压测报告，这样能在公司里面引入 MOE 比较好说服老板。