Nvidia conda channel is no longer necessary

Author: manopapad

README.md

@@ -221,21 +221,21 @@ Please make sure you have at least conda version 24.1 installed, then create
 a new environment containing Legate Core:
 
 ```
-conda create -n myenv -c nvidia -c conda-forge -c legate legate-core
+conda create -n myenv -c conda-forge -c legate legate-core
 ```
 
 or install it into an existing environment:
 
 ```
-conda install -c nvidia -c conda-forge -c legate legate-core
+conda install -c conda-forge -c legate legate-core
 ```
 
 Only linux-64 packages are available at the moment.
 
 The default package contains GPU support, and is compatible with CUDA >= 11.8
 (driver >= 520), and Volta or later GPU architectures. There are also CPU-only
 packages available, which will be automatically selected when installing on a
-machine without GPUs available. See [BUILD.md](BUILD.md) for instructions on 
+machine without GPUs available. See [BUILD.md](BUILD.md) for instructions on
 building Legate Core from source.
 
 ## How Do I Use Legate?