fix: yq usage

Author: samrose

.github/workflows/ami-release-nix.yml

@@ -23,10 +23,6 @@ jobs:
 
       - uses: DeterminateSystems/nix-installer-action@main
 
-      - name: Install yq via Nix
-        run: |
-          echo "PATH=$HOME/.nix-profile/bin:$PATH" >> $GITHUB_ENV
-
       - name: Set PostgreSQL versions
         id: set-versions
         run: |
@@ -57,10 +53,6 @@ jobs:
 
       - uses: DeterminateSystems/nix-installer-action@main
 
-      - name: Install yq via Nix
-        run: |
-          echo "PATH=$HOME/.nix-profile/bin:$PATH" >> $GITHUB_ENV
-
       - name: Run checks if triggered manually
         if: ${{ github.event_name == 'workflow_dispatch' }}
         run: |