# 🔍 Description
## Issue References 🔗
This pull request is the next step of deprecating and removing support of Spark 3.1
VOTE: https://lists.apache.org/thread/670fx1qx7rm0vpvk8k8094q2d0fthw5b
VOTE RESULT: https://lists.apache.org/thread/0zdxg5zjnc1wpxmw9mgtsxp1ywqt6qvb
## Describe Your Solution 🔧
Drop module `kyuubi-extension-spark-3-1` and delete Spark 3.1 specific codes.
## Types of changes 🔖
- [ ] Bugfix (non-breaking change which fixes an issue)
- [ ] New feature (non-breaking change which adds functionality)
- [ ] Breaking change (fix or feature that would cause existing functionality to change)
## Test Plan 🧪
Pass GA.
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# Checklist 📝
- [x] This patch was not authored or co-authored using [Generative Tooling](https://www.apache.org/legal/generative-tooling.html)
**Be nice. Be informative.**
Closes#6125 from pan3793/drop-spark-ext-3-1.
Closes#6125
212012f18 [Cheng Pan] fix style
021532ccd [Cheng Pan] doc
329f69ab9 [Cheng Pan] address comments
43fac4201 [Cheng Pan] fix
a12c8062c [Cheng Pan] fix
dcf51c1a1 [Cheng Pan] minor
814a187a6 [Cheng Pan] Drop Kyuubi extension for Spark 3.1
Authored-by: Cheng Pan <chengpan@apache.org>
Signed-off-by: Cheng Pan <chengpan@apache.org>
0a0af165e3