Revert "try aws-lc 1"

This reverts commit fdbddeb.

Author: vszakats

_dl.sh

@@ -697,7 +697,7 @@ if [[ ! "${_CONFIG}" =~ (zero|bldtst) ]]; then
     need_cacert=1
   elif [[ "${_OS}" = 'linux' ]] || \
        [[ ! "${_CONFIG}" =~ (pico|nano|micro|mini|ostls) ]]; then
-    _DEPS+=' awslc'
+    _DEPS+=' libressl'
     need_cacert=1
   fi
 fi