[Docs] Fix inline backticks in 1D pooling CN docs

[ghost]

Summary

• fix invalid single-backtick inline literals in 1D pooling CN docs
• cover both paddle.nn and paddle.nn.functional 1D pooling docs
• keep unrelated aggregate pages and math-role changes out of this batch

Affected files

• docs/api/paddle/nn/AdaptiveMaxPool1D_cn.rst
• docs/api/paddle/nn/MaxPool1D_cn.rst
• docs/api/paddle/nn/AvgPool1D_cn.rst
• docs/api/paddle/nn/LPPool1D_cn.rst
• docs/api/paddle/nn/functional/adaptive_max_pool1d_cn.rst
• docs/api/paddle/nn/functional/max_pool1d_cn.rst
• docs/api/paddle/nn/functional/avg_pool1d_cn.rst
• docs/api/paddle/nn/functional/lp_pool1d_cn.rst

Validation

• prek run --files docs/api/paddle/nn/AdaptiveMaxPool1D_cn.rst docs/api/paddle/nn/MaxPool1D_cn.rst docs/api/paddle/nn/AvgPool1D_cn.rst docs/api/paddle/nn/LPPool1D_cn.rst docs/api/paddle/nn/functional/adaptive_max_pool1d_cn.rst docs/api/paddle/nn/functional/max_pool1d_cn.rst docs/api/paddle/nn/functional/avg_pool1d_cn.rst docs/api/paddle/nn/functional/lp_pool1d_cn.rst

Tracking

• refs StatefulDust/paddle-docs-agent#40

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• docs/api/paddle/nn/AdaptiveMaxPool1D_cn.rst: 点击预览
• docs/api/paddle/nn/AvgPool1D_cn.rst: 点击预览
• docs/api/paddle/nn/LPPool1D_cn.rst: 点击预览
• docs/api/paddle/nn/MaxPool1D_cn.rst: 点击预览
• docs/api/paddle/nn/functional/adaptive_max_pool1d_cn.rst: 点击预览
• docs/api/paddle/nn/functional/avg_pool1d_cn.rst: 点击预览
• docs/api/paddle/nn/functional/lp_pool1d_cn.rst: 点击预览
• docs/api/paddle/nn/functional/max_pool1d_cn.rst: 点击预览