Remove learn more button

[EnTaroYan]

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[github-actions]

✅ Bundle Size Check PASSED

Threshold: 5% | Total change: -0.00% (38.58 MB → 38.58 MB, 211 B)

Bundle	Base	PR	Delta	%	Status
main	9.08 MB	9.08 MB	37 B	-0.00%	✅
renderer	29.50 MB	29.50 MB	174 B	-0.00%	✅
Total	38.58 MB	38.58 MB	211 B	-0.00%	✅

Legend

• ✅ Size decreased or unchanged
• 🟢 Slight increase (< 60% of threshold)
• 🟡 Warning (≥ 3.0% increase)
• 🔴 FAILED (≥ 5% increase)

Note: These sizes reflect the webpack-compiled JS bundles (dist/main + dist/renderer). Native modules and the Electron binary are not included as they are not affected by code changes.

_{🤖 Generated by PR Bundle Size Check | threshold: 5%}