Update rust-simplicity

This makes elements-miniscript depend on a fixed commit on the master
branch of rust-simplicity, instead of a branch of my local fork.

Updates rust-simplicity to the latest version with updated jet CMRs and
costs.

Author: uncomputable

Cargo.toml

@@ -22,7 +22,7 @@ base64 = ["bitcoin/base64"]
 bitcoin = "0.30.0"
 elements = "0.22.0"
 bitcoin-miniscript = { package = "miniscript", version = "10.0" }
-simplicity = { git = "https://github.com/uncomputable/rust-simplicity", branch = "policy-fixes" }
+simplicity = { git = "https://github.com/BlockstreamResearch/rust-simplicity", rev = "8ed4d4e0caf550148f1e17784af7665bad74b384" }
 
 # Do NOT use this as a feature! Use the `serde` feature instead.
 actual-serde = { package = "serde", version = "1.0", optional = true }

src/descriptor/tr.rs

@@ -512,8 +512,7 @@ impl<'a, Pk: ToPublicKey, Ext: ParseableExt> TapLeafScript<'a, Pk, Ext> {
         match self {
             TapLeafScript::Miniscript(ms) => ms.encode(),
             TapLeafScript::Simplicity(sim) => {
-                let commit = sim.serialize_no_witness();
-                Script::from(commit.cmr().as_ref().to_vec())
+                Script::from(sim.cmr().as_ref().to_vec())
             }
         }
     }