Bug 1287389 - Stop showing URLS on devtools hover r=bgrins

MozReview-Commit-ID: CLLFlyXePyp

devtools/client/shared/components/tabs/tabs.js

@@ -206,7 +206,6 @@ define(function (require, exports, module) {
               role: "presentation",
             },
               DOM.a({
-                href: "#",
                 tabIndex: this.state.tabActive === index ? 0 : -1,
                 "aria-controls": "panel-" + index,
                 "aria-selected": isTabSelected,