Remove Xcode setup from documentation workflow

Removed Xcode setup step from documentation workflow.

Author: hoseiocean

.github/workflows/documentation.yml

@@ -27,13 +27,10 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
 
-      - name: Setup Xcode
-        uses: maxim-lobanov/setup-xcode@v1
-        with:
-          xcode-version: latest-stable
-
       - name: Build Documentation
         run: |
+          swift package resolve
+          swift build
           swift package generate-documentation \
             --target DataStructuresKit \
             --disable-indexing \