simplify testing proc-macro

Author: alexeagle

test/unit/extra_outdirs/proc_macro.rs

@@ -8,34 +8,15 @@ use std::path::PathBuf;
 
 #[proc_macro]
 pub fn write_to_outdirs(_item: TokenStream) -> TokenStream {
-    // Read the list of directories to write to from an environment variable
-    let outdirs = env::var("EXTRA_OUTDIRS")
-        .expect("EXTRA_OUTDIRS environment variable must be set");
-    
     // Read the output directory paths from Bazel
     // Format: EXTRA_OUTDIRS_PATHS=dir1:path1,dir2:path2
     let outdirs_paths = env::var("EXTRA_OUTDIRS_PATHS")
         .expect("EXTRA_OUTDIRS_PATHS environment variable must be set");
 
-    // Create a map of directory name to output path
-    let mut path_map = std::collections::HashMap::new();
-    for entry in outdirs_paths.split(',') {
-        if let Some((dir, path)) = entry.split_once(':') {
-            path_map.insert(dir.trim(), path.trim());
-        }
-    }
-    
     // Write to the output directories declared by Bazel
-    for dir in outdirs.split(',') {
-        let dir = dir.trim();
-        if !dir.is_empty() {
-            // Get the output path for this directory
-            let dir_path = if let Some(path) = path_map.get(dir) {
-                PathBuf::from(path)
-            } else {
-                // Fallback to directory name if path not found
-                PathBuf::from(dir)
-            };
+    for entry in outdirs_paths.split(',') {
+        if let Some((_dir, path)) = entry.split_once(':') {
+            let dir_path = PathBuf::from(path.trim());
 
             // Create the directory if it doesn't exist
             if let Err(e) = fs::create_dir_all(&dir_path) {