Merge pull request #472 from achamo/master

update README : there is no zip file in new release

Author: brmzkw

README.md

@@ -106,10 +106,7 @@ mkdir -p /usr/local/bin
 mv /usr/local/bin/scw /tmp/scw.old
 
 # get latest release
-wget "https://github.com/scaleway/scaleway-cli/releases/download/v1.13/scw_1.13_darwin_amd64.zip" -O /tmp/scw.zip
-unzip /tmp/scw.zip \*/scw -d /tmp
-mv /tmp/scw_*/scw /usr/local/bin
-rm -rf /tmp/scw.zip /tmp/scw_*_darwin_amd64
+wget "https://github.com/scaleway/scaleway-cli/releases/download/v1.13/scw-darwin-amd64" -O /usr/local/bin/scw
 
 # test
 scw version