Drop anyhow

It doesn't bring a ton of value for our use case, and adds ~50kb to the
binary size.

Author: jbourassa

Cargo.lock

@@ -1,4 +1,5 @@
 [workspace]
+resolver = "2"
 members = [
     "example",
     "example_with_targets",

Cargo.toml

@@ -7,9 +7,8 @@ license = "MIT"
 description = "Crate to write Shopify Functions in Rust."
 
 [dependencies]
-serde = { version = "1.0.13", features = ["derive"] }
-serde_json = "1.0"
-anyhow = "1.0.62"
+serde = { version = "1.0.197", features = ["derive"] }
+serde_json = "1.0.114"
 shopify_function_macro = { version = "0.5.0", path = "../shopify_function_macro" }
 
 [dev-dependencies]

shopify_function/Cargo.toml

@@ -27,8 +27,7 @@ pub mod prelude {
     pub use shopify_function_macro::{generate_types, shopify_function, shopify_function_target};
 }
 
-/// Convenience alias for `anyhow::Result`.
-pub type Result<T> = anyhow::Result<T>;
+pub type Result<T> = std::result::Result<T, Box<dyn std::error::Error>>;
 
 /// Runs the given function `f` with the invocation payload, returning the
 /// deserialized output. This function is provided as a helper when writing