fix: remove environment field from publish workflow to avoid validation error

Author: SynTaek

.github/workflows/publish.yml

@@ -65,10 +65,7 @@ jobs:
       - build
     runs-on: ubuntu-latest
 
-    environment:
-      name: testpypi
-      url: https://test.pypi.org/p/code-trajectory-mcp
-    
+
     steps:
       - name: Download all the dists
         uses: actions/download-artifact@v4
@@ -92,10 +89,7 @@ jobs:
       - build
     runs-on: ubuntu-latest
 
-    environment:
-      name: pypi
-      url: https://pypi.org/p/code-trajectory-mcp
-    
+
     steps:
       - name: Download all the dists
         uses: actions/download-artifact@v4