Fix capitalization of requirements files and remove debug line.

Author: nathanjmcdougall

.github/workflows/ci.yml

@@ -16,7 +16,6 @@ jobs:
 
       - name: Setup dependencies
         run: |
-          ls ./.requirements
           uv pip install --system -r ./.requirements/${{ matrix.python-version }}-${{ runner.os }}.txt
           uv pip install --system pytest pytest-md pytest-emoji