chore(http1): remove duplicated code

[a631807682]

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• This PR title match the format: <type>(optional scope): <description>.
• The description of this PR title is user-oriented and clear enough for others to understand.
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(Optional) Translate the PR title into Chinese.

删除重复代码

(Optional) More detail description for this PR(en: English/zh: Chinese).

en:
Remove the duplicated code from https://github.com/cloudwego/hertz/blob/develop/pkg/protocol/http1/server.go#L328-L332
zh(optional):
删除和 https://github.com/cloudwego/hertz/blob/develop/pkg/protocol/http1/server.go#L328-L332 重复的代码

(Optional) Which issue(s) this PR fixes:

related to #804 (comment)

(Optional) The PR that updates user documentation:

[codecov]

Codecov Report

Patch coverage has no change and project coverage change: -0.02 ⚠️

Comparison is base (f4f193d) 75.70% compared to head (1018fc4) 75.68%.

❗ Current head 1018fc4 differs from pull request most recent head a9170ee. Consider uploading reports for the commit a9170ee to get more accurate results

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #817      +/-   ##
===========================================
- Coverage    75.70%   75.68%   -0.02%     
===========================================
  Files           97       97              
  Lines         9495     9492       -3     
===========================================
- Hits          7188     7184       -4     
- Misses        1857     1858       +1     
  Partials       450      450              

Impacted Files	Coverage Δ
pkg/protocol/http1/server.go	63.59% <ø> (+0.91%)	⬆️

... and 1 file with indirect coverage changes

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[li-jin-gou]

thanks