[ko] fix: remove duplicate headings

[yin1999]

Description

remove duplicate headings. Since I don't speak Korean, please feel free to correct my mistakes.

Motivation

Prepare for enabling the no-duplicate-heading markdown-lint rule.
Part of #17582

[github-actions]

Preview URLs

• /ko/docs/Web/API/Element/scrollHeight
• /ko/docs/Web/API/Web_Audio_API/Simple_synth
• /ko/docs/Web/HTTP/Headers/ETag
• /ko/docs/Web/JavaScript/Reference/Global_Objects/Math/LOG2E

Flaws (37)

URL: /ko/docs/Web/HTTP/Headers/ETag
Title: ETag
Flaw count: 2

• broken_links:
  • Anchor not lowercase
• translation_differences:
  • Differences in the important macros (2 in common of 3 possible)

---

URL: /ko/docs/Web/JavaScript/Reference/Global_Objects/Math/LOG2E
Title: Math.LOG2E
Flaw count: 1

• translation_differences:
  • Differences in the important macros (2 in common of 4 possible)

---

URL: /ko/docs/Web/API/Web_Audio_API/Simple_synth
Title: 예제와 튜토리얼: 간단한 신시사이저 키보드
Flaw count: 27

• macros:
  • /ko/docs/Web/API/OscillatorNode does not exist but fell back to /en-US/docs/Web/API/OscillatorNode
  • /ko/docs/Web/API/GainNode does not exist but fell back to /en-US/docs/Web/API/GainNode
  • /ko/docs/Web/API/OscillatorNode does not exist but fell back to /en-US/docs/Web/API/OscillatorNode
  • /ko/docs/Web/HTML/Element/div does not exist but fell back to /en-US/docs/Web/HTML/Element/div
  • /ko/docs/Web/HTML/Element/div does not exist but fell back to /en-US/docs/Web/HTML/Element/div
  • and 22 more flaws omitted

---

URL: /ko/docs/Web/API/Element/scrollHeight
Title: Element.scrollHeight
Flaw count: 7

• macros:
  • /ko/docs/Web/CSS/::before does not exist but fell back to /en-US/docs/Web/CSS/::before
  • /ko/docs/Web/API/Element/offsetHeight does not exist
• broken_links:
  • Can use the English (en-US) link as a fallback
  • Can use the English (en-US) link as a fallback
  • Can use the English (en-US) link as a fallback
  • Can't resolve /ko/docs/Determining_the_dimensions_of_elements
• translation_differences:
  • Differences in the important macros (3 in common of 5 possible)

(comment last updated: 2024-01-28 07:40:56)

[hochan222]

@yin1999 Thank you. Have a nice day :)