fix(build): handle --no-aux without git-lfs (#1433)

Allows `--no-aux` to be used when `git-lfs` is not found.

Author: c-dilks

build-coatjava.sh

@@ -80,6 +80,7 @@ do
     --https) auxRetrieval=https ;;
     --wipe)  auxRetrieval=wipe  ;;
     --no-aux|--noaux)
+      auxRetrieval=noaux
       auxDownloadMaps=false
       auxDownloadNets=false
       auxDownloadSqlites=false
@@ -206,6 +207,8 @@ case $auxRetrieval in
     ;;
   https)
     ;;
+  noaux)
+    ;;
   *)
     echo "ERROR: data retrieval option \`--$auxRetrieval\` is not supported" >&2
     exit 1