update readme

README.md

@@ -14,11 +14,9 @@ It provides a fully python driven flow alternative for the most advanced users t
 
 ## Installation
 
-If you don't have python installed on your system you can [download the gdsfactory installer](https://github.com/gdsfactory/gdsfactory/releases) with python3, miniconda and all gdsfactory plugins.
-
 ### Installation for new gdsfactory users
 
-Use python3.10 or python3.11, as some tools like kfactory are not available for older versions of python. We recommend [VSCode](https://code.visualstudio.com/) as an IDE.
+Use python3.10 or python3.11. We recommend [VSCode](https://code.visualstudio.com/) as an IDE.
 
 If you don't have python installed on your system you can [download anaconda](https://www.anaconda.com/download/)