Install full Isaac Sim - Python packages as default (#210)

Update PIP installation instructions to install full Isaac Sim - Python
packages by default.

![image](https://github.com/user-attachments/assets/334af9a1-1826-4452-bdcc-c7ff27dc245c)
Co-authored-by: Kelly Guo <kellyg@nvidia.com>

docs/source/setup/installation/pip_installation.rst

@@ -89,7 +89,6 @@ compatibility issues with some Linux distributions. If you encounter any issues,
 
       pip install --upgrade pip
 
-
 -  Then, install the Isaac Sim packages.
 
    .. code-block:: none