.jshintrc

narrow: remove hack to read narowspec from shared .hg directory

This was another leftover from 576eef1ab43d (narrow: move
.hg/narrowspec to .hg/store/narrowspec (BC), 2018-08-02), in addition
to 623081f2abc2 (narrow: remove hack to write narrowspec to shared .hg
directory, 2018-09-12).

Differential Revision: https://phab.mercurial-scm.org/D4692

{
    // 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)
}