Update devtools.md

doc/devtools.md

 
     http --timeout 99999999999999 -f POST  http://127.0.0.1:8080/workspaces/1/folders/2/files label='test3' file_data@~/Téléchargements/fr_windows_8_1_x86_dvd_2707457.iso 'Cookie: authtkt="ec5249770f9709d6c5aec5caf458c0875ab8eeefadmin%40admin.admin!"'
 
-With curl
-
-    curl 'http://127.0.0.1:8080/workspaces/1/folders/2/files' -H 'Host: 127.0.0.1:8080' -H 'User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Firefox/52.0' -H 'Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8' -H 'Accept-Language: fr,fr-FR;q=0.8,en-US;q=0.5,en;q=0.3' --compressed -H 'Referer: http://127.0.0.1:8080/workspaces/1/folders/2' -H 'Cookie: authtkt="ec5249770f9709d6c5aec5caf458c0875ab8eeefadmin%40admin.admin!"' -H 'Connection: keep-alive' -H 'Upgrade-Insecure-Requests: 1'
-
 # Check third party licences
 
 Install `yolk3k` pip package: