[JS] remove pnpm install as bazel should do its work

Author: harsha509

Rakefile

@@ -544,11 +544,6 @@ namespace :node do
       File.open(file, 'w') { |f| f.puts text }
       @git.add(file)
     end
-
-    # Update package dependencies with pnpm at root level for woprksapce
-    sh 'pnpm install', verbose: true
-    # Add the root pnpm-lock.yaml file
-    @git.add('pnpm-lock.yaml')
   end
 end