remove unused shell_escape dep

src/tools/miri/Cargo.lock

@@ -383,7 +383,6 @@ dependencies = [
  "regex",
  "rustc-workspace-hack",
  "rustc_version",
- "shell-escape",
  "smallvec",
  "ui_test",
 ]
@@ -632,12 +631,6 @@ dependencies = [
  "lazy_static",
 ]
 
-[[package]]
-name = "shell-escape"
-version = "0.1.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "45bb67a18fa91266cc7807181f62f9178a6873bfad7dc788c42e6430db40184f"
-
 [[package]]
 name = "smallvec"
 version = "1.9.0"

src/tools/miri/Cargo.toml

@@ -21,7 +21,6 @@ doctest = false # and no doc tests
 getrandom = { version = "0.2", features = ["std"] }
 env_logger = "0.9"
 log = "0.4"
-shell-escape = "0.1.4"
 rand = "0.8"
 smallvec = "1.7"