removing 1 clustering lesson

Clustering/3-Centroid/README.md

@@ -1,55 +0,0 @@
-# [Lesson Topic]
-
-Add a sketchnote if possible/appropriate
-
-![Embed a video here if available](video-url)
-
-## [Pre-lecture quiz](link-to-quiz-app)
-
-Describe what we will learn
-
-### Introduction
-
-Describe what will be covered
-
-> Notes
-
-### Prerequisite
-
-What steps should have been covered before this lesson?
-
-### Preparation
-
-Preparatory steps to start this lesson
-
----
-
-[Step through content in blocks]
-
-## [Topic 1]
-
-### Task:
-
-Work together to progressively enhance your codebase to build the project with shared code:
-
-```html
-code blocks
-```
-
-✅ Knowledge Check - use this moment to stretch students' knowledge with open questions
-
-## [Topic 2]
-
-## [Topic 3]
-
-## 🚀Challenge
-
-Add a challenge for students to work on collaboratively in class to enhance the project
-
-Optional: add a screenshot of the completed lesson's UI if appropriate
-
-## [Post-lecture quiz](link-to-quiz-app)
-
-## Review & Self Study
-
-**Assignment**: [Assignment Name](assignment.md)

Clustering/3-Centroid/assignment.md

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-# [Assignment Name]
-
-## Instructions
-
-## Rubric
-
-| Criteria | Exemplary | Adequate | Needs Improvement |
-| -------- | --------- | -------- | ----------------- |
-|          |           |          |                   |