infinitepush: drop logic related to treemanifest extension
treemanifest is another facebook's extension which is not in core. Let's drop
the logic related to infinitepush extension which is now ported to core.
Differential Revision: https://phab.mercurial-scm.org/D2106
{
// Enforcing
"eqeqeq" : true, // true: Require triple equals (===) for comparison
"forin" : true, // true: Require filtering for..in loops with obj.hasOwnProperty()
"freeze" : true, // true: prohibits overwriting prototypes of native objects such as Array, Date etc.
"nonbsp" : true, // true: Prohibit "non-breaking whitespace" characters.
"undef" : true, // true: Require all non-global variables to be declared (prevents global leaks)
// Environments
"browser" : true // Web Browser (window, document, etc)
}