Remove unnecessary cargo-script installation

Co-authored-by: contact <[email protected]>

Author: cursoragent

.github/workflows/validate-docs.yml

@@ -24,9 +24,6 @@ jobs:
         components: rust-src
         override: true
 
-    - name: Install cargo-script
-      run: cargo install cargo-script
-    
     - name: Validate documentation structure
       run: cargo script scripts/validate-docs.rs --dep walkdir --dep regex