remove pip install requirements.txt from full-test.yml because it is redundant.

Author: samuelgarcia

.github/workflows/full-test.yml

@@ -42,7 +42,7 @@ jobs:
           python -m venv ~/test_env
           source ~/test_env/bin/activate
           python -m pip install --upgrade pip
-          pip install -r requirements.txt
+          # pip install -r requirements.txt
           pip install -r requirements_testing.txt
           pip install -e .
       - name: Get ephy_testing_data current head hash