remove quting to expand tilde to $HOME

cm.sh

@@ -520,7 +520,7 @@ function public_renew(){
 
 	# BUGFIX: acme.sh does not create a new key file on renew.
 	# After switching from csr method to pram -d we got a 0 byte Keyfile
-	local _acme_keyfile="~/.acme.sh/${CM_fqdn}/${CM_fqdn}.key"
+	local _acme_keyfile=~/.acme.sh/${CM_fqdn}/${CM_fqdn}.key
 	if test ! -f "$_acme_keyfile"
 	then
 		echo "FIX: copy key from csr folder $CM_filekey to $_acme_keyfile"