Simplify installation steps in the readme

README.md

@@ -53,9 +53,9 @@ A partial documentation is available at: https://mace-docs.readthedocs.io
 ### 1. Requirements:
 
 - Python >= 3.7  (for openMM, use Python = 3.9)
-- [PyTorch](https://pytorch.org/) >= 1.12 **(training with float64 is not supported with PyTorch 2.1 but is supported with 2.2 and later.)**.
+- [PyTorch](https://pytorch.org/) >= 1.12 **(training with float64 is not supported with PyTorch 2.1 but is supported with 2.2 and later)**
 
-**Make sure to install PyTorch.** Please refer to the [official PyTorch installation](https://pytorch.org/get-started/locally/) for the installation instructions. Select the appropriate options for your system. For GPU installation, make sure to select pip + the appropriate CUDA version for your system. For recent GPUs, the latest cuda version is usually the best choice.
+**Make sure to install PyTorch.** Please refer to the [official PyTorch installation](https://pytorch.org/get-started/locally/) for the installation instructions. Select the appropriate options for your system.
 
 ### 2a. Installation from PyPI
 This is the recommended way to install MACE. 
@@ -71,7 +71,6 @@ pip install mace-torch
 
 
 ```sh
-# Clone and install MACE (and all required packages)
 git clone https://github.com/ACEsuit/mace.git
 pip install ./mace
 ```