Fix CI for py2.7 cu100 wheels (#1354)

* [TEST][DO NOT MERGE] Testing CI

* Try fixing build

packaging/pkg_helpers.bash

@@ -43,12 +43,9 @@ setup_cuda() {
     # CUDA builds (in which case, use default)
     if [[ -z "$NO_CUDA_PACKAGE" ]]; then
       export VERSION_SUFFIX="$PYTORCH_VERSION_SUFFIX"
-      # If the suffix is non-empty, we will use a wheel subdirectory
-      if [[ -n "$PYTORCH_VERSION_SUFFIX" ]]; then
       export WHEEL_DIR="$CU_VERSION/"
     fi
   fi
-  fi
 
   # Now work out the CUDA settings
   case "$CU_VERSION" in