remove which xz

Signed-off-by: muthuja <muthujabavaji.vempalli@progress.com>

Author: muthuja

lib/omnibus/fetchers/net_fetcher.rb

@@ -164,7 +164,6 @@ def execute_tests(file_path)
   shellout!("gtar --version")
   shellout!("which gtar")
   shellout!("export PATH=\"/opt/homebrew/bin/xz:$PATH\"")
-  shellout!("which xz")
   shellout!("xz --version")
   log.info(log_key) { "-----DEBUG-----end of the test to here" }
   # Extract the archive