fix: remove unused tracing dependency from vite_shared

The tracing crate is not directly used in vite_shared - only
tracing-chrome and tracing-subscriber are needed. Fixes cargo-shear.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: branchseer

crates/vite_shared/Cargo.toml

@@ -12,7 +12,6 @@ directories = { workspace = true }
 owo-colors = { workspace = true }
 serde = { workspace = true }
 serde_json = { workspace = true }
-tracing = { workspace = true }
 tracing-chrome = { workspace = true }
 tracing-subscriber = { workspace = true }
 vite_path = { workspace = true }