Revert "Add Neuron repository and aws-neuronx-dkms driver installation"

This reverts commit 760ba65.

Author: francesco-giordano

attributes/default.rb

@@ -523,16 +523,6 @@
   }
 )
 
-# Neuron
-default['cluster']['neuron']['repository_name'] = "neuron"
-default['cluster']['neuron']['url_prefix'] = value_for_platform(
-  'default' => 'yum',
-  'ubuntu' => { 'default' => 'apt' }
-)
-default['cluster']['neuron']['base_url'] = "https://#{node['cluster']['neuron']['url_prefix']}.repos.neuron.amazonaws.com"
-default['cluster']['neuron']['public_key'] = "#{node['cluster']['neuron']['base_url']}/GPG-PUB-KEY-AMAZON-AWS-NEURON.PUB"
-default['cluster']['neuron']['packages'] = %w(aws-neuronx-dkms)
-
 # Default gc_thresh values for performance at scale
 default['cluster']['sysctl']['ipv4']['gc_thresh1'] = 0
 default['cluster']['sysctl']['ipv4']['gc_thresh2'] = 15_360

cookbooks/aws-parallelcluster-install/recipes/base.rb

@@ -211,9 +211,6 @@
 # Install NVIDIA and CUDA
 include_recipe "aws-parallelcluster-install::nvidia"
 
-# Install Neuron driver
-include_recipe "aws-parallelcluster-install::neuron" unless virtualized?
-
 # Install EFA & Intel MPI
 include_recipe "aws-parallelcluster-install::efa" unless virtualized?
 include_recipe "aws-parallelcluster-install::intel_mpi" unless virtualized?

cookbooks/aws-parallelcluster-install/recipes/neuron.rb

@@ -526,20 +526,6 @@ def efa_installed?
   dir_exist
 end
 
-def neuron_installed?
-  package_name = "aws-neuronx-dkms"
-  command = value_for_platform(
-  %w(ubuntu debian) => {
-    'default' => "apt list --installed | grep #{package_name}",
-  },
-  'default' => "yum list installed | grep #{package_name}")
-
-  cmd = Mixlib::ShellOut.new(command, timeout: 60)
-  cmd.run_command
-  # Return false if the package is not installed
-  !(cmd.exitstatus != 0)
-end
-
 # load cluster configuration file into node object
 def load_cluster_config
   ruby_block "load cluster configuration" do