chore: remove requirements-txt fixer

Author: cpcloud

.pre-commit-config.yaml

@@ -14,7 +14,6 @@ repos:
       exclude: ^conda/recipes/numba-cuda/meta.yaml
     - id: debug-statements
     - id: end-of-file-fixer
-    - id: requirements-txt-fixer
     - id: trailing-whitespace
     - id: mixed-line-ending
       args: ['--fix=lf']