remove uninstall numba

Author: kevin-thankyou-lin

.github/workflows/run-tests.yaml

@@ -42,7 +42,6 @@ jobs:
           pip install -r requirements-extra.txt
           pip uninstall -y robosuite-models
         fi
-        pip uninstall -y numba
     - name: Lint with flake8
       run: |
         # stop the build if there are Python syntax errors or undefined names