cicd: Fix deploy jobs by removing sparse-checkout

fly.toml files are in the app directories now

Author: felixmokross

.github/workflows/build.yml

@@ -173,8 +173,6 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
-        with:
-          sparse-checkout: .
       - name: Set up flyctl
         uses: superfly/flyctl-actions/setup-flyctl@master
         with:
@@ -273,8 +271,6 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
-        with:
-          sparse-checkout: .
       - name: Set up flyctl
         uses: superfly/flyctl-actions/setup-flyctl@master
         with: