Remove frequency defn

index.bs

@@ -23,6 +23,10 @@ Include MDN Panels: if possible
 Include Can I Use Panels: yes
 </pre>
 
+<wpt hidden>
+cpu-performance.https.window.js
+</wpt>
+
 Introduction {#intro}
 =====================
 
@@ -91,9 +95,7 @@ We will use the term <dfn>CPU</dfn> for the collection of central processing
 units that are contained in a computing device.
 We will use the term <dfn>core</dfn> to refer to a [=CPU=] part that can execute
 instruction threads, [=physical cores|physical=] or [=logical cores|logical=],
-as reported by the operating system. We will use the term <dfn>frequency</dfn>
-to refer to the clock speed of the [=CPU=], expressed in cycles per second (Hz)
-and determining how fast a [=physical core=] can execute instructions.
+as reported by the operating system.
 
 We will use the term <dfn>performance</dfn> to refer to how fast the [=CPU=] is
 perceived to be, from the point of view of a web application. A fast [=CPU=]
@@ -258,19 +260,19 @@ function getPresetFeatures() {
   switch (navigator.cpuPerformance) {
     case 1:
       return {
-        videoQuality: "QVGA",
+        videoQuality: 'QVGA',
         frameRate: 15,
         effects: [],
       };
     case 2:
       return {
-        videoQuality: "VGA",
+        videoQuality: 'VGA',
         frameRate: 15,
         effects: ['voice-detection', 'animated-reactions'],
       };
     case 3:
       return {
-        videoQuality: "720p",
+        videoQuality: '720p',
         frameRate: 30,
         effects: ['voice-detection', 'animated-reactions',
                   'noise-reduction'],
@@ -279,7 +281,7 @@ function getPresetFeatures() {
     case 0:    // Assuming high performance settings for unknown devices
     default:   // and for performance tiers higher than 4.
       return {
-        videoQuality: "1080p",
+        videoQuality: '1080p',
         frameRate: 30,
         effects: ['voice-detection', 'animated-reactions',
                   'noise-reduction', 'virtual-background'],