[Release-Only] Use triton pypi package for 2.1.0 release (#1533)

* [Release-Only] Use triton pypi package for 2.1.0 release

* Clean up for release

Author: huydhn

manywheel/build_cuda.sh

@@ -257,17 +257,6 @@ else
     exit 1
 fi
 
-# Prepare for 2.1.0 release
-if [[ $(uname) == "Linux" ]]; then
-    TRITON_VERSION=$(cat $PYTORCH_ROOT/.ci/docker/triton_version.txt)
-
-    if [[ -z "$PYTORCH_EXTRA_INSTALL_REQUIREMENTS" ]]; then
-        export PYTORCH_EXTRA_INSTALL_REQUIREMENTS="pytorch-triton==${TRITON_VERSION}"
-    else
-        export PYTORCH_EXTRA_INSTALL_REQUIREMENTS="${PYTORCH_EXTRA_INSTALL_REQUIREMENTS} | pytorch-triton==${TRITON_VERSION}"
-    fi
-fi
-
 # builder/test.sh requires DESIRED_CUDA to know what tests to exclude
 export DESIRED_CUDA="$cuda_version_nodot"