remove thiserror as deps from async-vfs-os

Author: prabirshrestha

async-vfs-os/Cargo.toml

@@ -14,7 +14,6 @@ readme = "README.md"
 async-vfs = { path = "../async-vfs", version = "^0.52.0" }
 cfg-if = "1.0.0"
 futures-lite = "1.12.0"
-thiserror = "1.0.23"
 async-std = { version = "1.6.0", features = [ "attributes" ], optional = true }
 smol = { version = "1.2.5", optional = true }
 smol-potat = { version = "1.1.2", optional = true }