Revert "Return shell defaults"

This reverts commit ab37dcd.

Author: VeckoTheGecko

.github/workflows/additional.yml

@@ -8,9 +8,6 @@ jobs:
   min-version-policy:
     name: Minimum Version Policy
     runs-on: "ubuntu-latest"
-    defaults:
-      run:
-        shell: bash -l {0}
     steps:
       - uses: actions/checkout@v5
       - uses: astral-sh/setup-uv@v7
@@ -24,9 +21,7 @@ jobs:
   linkcheck:
     name: pixi run docs-linkcheck
     runs-on: "ubuntu-latest"
-    defaults:
-      run:
-        shell: bash -l {0}
+
     steps:
       - uses: actions/checkout@v5
       - uses: actions/checkout@v5