Oobe eula screen: fix click checkbox issue

User is not able to click on the text to toggle the checkbox

Bug: 1103513
Change-Id: I8d71fb4eaaad1130938d2b316202003937f5b2ac
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2289427Reviewed-by: Roman Sorokin [CET] <rsorokin@chromium.org>
Reviewed-by: Renato Silva <rrsilva@google.com>
Commit-Queue: Yunke Zhou <yunkez@google.com>
Cr-Commit-Position: refs/heads/master@{#787683}

chrome/browser/resources/chromeos/login/oobe_eula.html

@@ -50,7 +50,7 @@
                 checked="{{usageStatsChecked}}" on-change="onUsageChanged_"
                 aria-labelledby="usageStatsLabel">
               <div id="usageStatsLabelContainer">
-                <span id="usageStatsLabel" on-tap="usageStatsLabelClicked_">
+                <span id="usageStatsLabel">
                   [[i18nDynamic(locale, 'checkboxLogging')]]
                 </span>
                 <a id="learn-more" href="#"

chrome/browser/resources/chromeos/login/oobe_eula.js

@@ -243,13 +243,4 @@ Polymer({
   isPasswordEmpty_(password) {
     return password != null && password.length == 0;
   },
-
-  /**
-   * Switches usage stats toggle state.
-   *
-   * @private
-   */
-  usageStatsLabelClicked_() {
-    this.usageStatsChecked = !this.usageStatsChecked;
-  },
 });