remove conda install pip

.github/workflows/build.yml

@@ -27,8 +27,7 @@ jobs:
         sudo apt-get update
         sudo apt-get install -y ffmpeg libsm6 libxext6
         sudo apt-get install -y python3-opengl
-        sudo apt install libosmesa6 -y
-        conda install pip --yes
+        sudo apt install -y libosmesa6
         pip install --upgrade pip
         pip install -e .
         pip install pytest