* Translate 1_2_Deeper_dive * word refactoring: deeper-dive -> 심화 학습 * Word Refactoring & add 1_4_telemetry * Chapter 6 - Update translation[kr] * Chapter 6 -Update korean translation * [kr] Translations for language-understanding * Remove 6-1 README.ko.md * Update HyperLink * delete the last dot * Remove not translated text Co-authored-by: Jim Bennett <jim.bennett@microsoft.com>