Merge pull request #3374 from o1-labs/dw/remove-folding

Remove folding library: it is old and unused

Author: dannywillems

CHANGELOG.md

@@ -23,7 +23,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### [folding](./folding)
 
 #### Changed
-- (No changes in current release)
+- Remove crate as it will never be used
+  ([#3374](https://github.com/o1-labs/proof-systems/pull/3374))
 
 ### [groupmap](./groupmap)
 

Cargo.lock

@@ -4,7 +4,6 @@ members = [
   "book",
   "crates/*",
   "curves",
-  "folding",
   "groupmap",
   "hasher",
   "internal-tracing",
@@ -91,7 +90,6 @@ wasm-bindgen-test = ">=0.3.0"
 
 arkworks = { path = "crates/arkworks" }
 arrabbiata = { path = "./arrabbiata", version = "0.1.0" }
-folding = { path = "./folding", version = "0.1.0" }
 groupmap = { path = "./groupmap", version = "0.1.0" }
 internal-tracing = { path = "./internal-tracing", version = "0.1.0" }
 kimchi = { path = "./kimchi", version = "0.1.0", features = ["bn254"] }