docs: v3.3.1 changelog

Author: kozistr

docs/changelogs/v3.3.1.md

@@ -2,11 +2,3 @@
 
 ### Feature
 
-* Implement `DeMo` optimizer. (#300, #301)
-    * [Decoupled Momentum Optimization](https://arxiv.org/abs/2411.19870)
-* Implement `Muon` optimizer. (#302)
-    * [MomentUm Orthogonalized by Newton-schulz](https://github.com/KellerJordan/Muon)
-* Implement `ScheduleFreeRAdam` optimizer. (#304)
-* Implement `LaProp` optimizer. (#304)
-    * [Separating Momentum and Adaptivity in Adam](https://arxiv.org/abs/2002.04839)
-* Support `Cautious` variant to `LaProp`, `AdamP`, `Adopt` optimizers. (#304).