documentation: Remove outdated icons

docs/configuration/experimental/clash-api.md

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-icon: material/new-box
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-
 !!! quote "Changes in sing-box 1.10.0"
 
     :material-plus: [access_control_allow_origin](#access_control_allow_origin)  

docs/configuration/experimental/clash-api.zh.md

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-icon: material/new-box
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-
 !!! quote "sing-box 1.10.0 中的更改"
 
     :material-plus: [access_control_allow_origin](#access_control_allow_origin)  

docs/configuration/route/sniff.md

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-icon: material/new-box
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-
 !!! quote "Changes in sing-box 1.10.0"
 
     :material-plus: QUIC client type detect support for QUIC  

docs/configuration/route/sniff.zh.md

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-icon: material/new-box
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-
 !!! quote "sing-box 1.10.0 中的更改"
 
     :material-plus: QUIC 的 客户端类型探测支持  

docs/configuration/rule-set/adguard.md

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-icon: material/new-box
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-
 !!! question "Since sing-box 1.10.0"
 
 sing-box supports some rule-set formats from other projects which cannot be fully translated to sing-box,

docs/configuration/rule-set/adguard.zh.md

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-icon: material/new-box
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 !!! question "自 sing-box 1.10.0 起"
 
 sing-box 支持其他项目的一些规则集格式，这些格式无法完全转换为 sing-box，

docs/configuration/rule-set/index.md

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-icon: material/new-box
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-
 !!! quote "Changes in sing-box 1.10.0"
 
     :material-plus: `type: inline`

docs/configuration/rule-set/index.zh.md

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-icon: material/new-box
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-
 !!! quote "sing-box 1.10.0 中的更改"
 
     :material-plus: `type: inline`

docs/configuration/shared/tls.md

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-icon: material/alert-decagram
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-
 !!! quote "Changes in sing-box 1.10.0"
 
     :material-alert-decagram: [utls](#utls)  

docs/configuration/shared/tls.zh.md

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-icon: material/alert-decagram
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-
 !!! quote "sing-box 1.10.0 中的更改"
 
     :material-alert-decagram: [utls](#utls)