symcheck: Enable wasm by default

The build time isn't very different so we can keep things simpler.

library/compiler-builtins/ci/run.sh

@@ -47,7 +47,6 @@ fi
 # `compiler-builtins` is built with various features. Symcheck invokes Cargo to
 # build with the arguments we provide it, then validates the built artifacts.
 symcheck=(cargo run -p symbol-check --release)
-[[ "$target" = "wasm"* ]] && symcheck+=(--features wasm)
 symcheck+=(-- build-and-check)
 
 "${symcheck[@]}" "$target" -- -p compiler_builtins

library/compiler-builtins/crates/symbol-check/Cargo.toml

@@ -5,8 +5,5 @@ edition = "2024"
 publish = false
 
 [dependencies]
-object = "0.37.3"
+object = { version = "0.37.3", features = ["wasm"] }
 serde_json = "1.0.149"
-
-[features]
-wasm = ["object/wasm"]