fix workflow file

.github/workflows/library_rust_tests.yml

@@ -14,10 +14,6 @@ on:
         default: false
         type: boolean
 
-# env:
-  # Used for Test Vectors
-  # VECTORS_URL: https://github.com/awslabs/aws-encryption-sdk-test-vectors/raw/master/vectors/awses-decrypt/python-2.3.0.zip
-
 jobs:
   testRust:
     strategy:
@@ -127,14 +123,6 @@ jobs:
             ' implementation_from_dafny.rs
           fi
 
-      # - name: Compile MPL TestVectors implementation
-      #   shell: bash
-      #   working-directory: ./mpl/TestVectorsAwsCryptographicMaterialProviders
-      #   run: |
-      #     # This works because `node` is installed by default on GHA runners
-      #     CORES=$(node -e 'console.log(os.cpus().length)')
-      #     make transpile_rust CORES=$CORES
-
       - name: Test Rust
         working-directory: ./AwsEncryptionSDK
         shell: bash