Remove old installations directly

scripts/install-mpi.sh

@@ -82,13 +82,8 @@ exit_with_error() {
 
 # Clone and build OpenMPI+UCX in /opt
 install_openmpi() {
-  # Backup old installations if they exist (overwrite existing .bak if present)
-  [ -d "${ompi_prefix}" ] && {
-    rm -rf "${ompi_prefix}.bak"; mv "${ompi_prefix}" "${ompi_prefix}.bak";
-    }
-  [ -d "${ucx_prefix}" ] && {
-    rm -rf "${ucx_prefix}.bak"; mv "${ucx_prefix}" "${ucx_prefix}.bak";
-    }
+  # Remove old installations if they exist
+  rm -rf "${ompi_prefix}" "${ucx_prefix}"
 
   # OpenMPI and UCX install to one of these locations depending on OS
   local ucx_lib_folder="${ucx_prefix}/lib"