1006970: Resolved the error issues

Author: sathiyaseelanksf3503

Document-Processing/PDF/PDF-Viewer/blazor/accessible-pdf-reading.md

@@ -141,10 +141,6 @@ async function speakFromControls(input) {
         console.log("SpeechSynthesisUtterance.onend");
     };
 
-    utterThis.onerror = function (e) {
-        console.error("SpeechSynthesisUtterance.onerror", e);
-    };
-
     const available = speechSynthesis.getVoices();
     let voice = null;
     voice = available.find(v => v.default) || available[0];
@@ -454,10 +450,6 @@ async function speakFromControls(input) {
         console.log("SpeechSynthesisUtterance.onend");
     };
 
-    utterThis.onerror = function (e) {
-        console.error("SpeechSynthesisUtterance.onerror", e);
-    };
-
     const available = speechSynthesis.getVoices();
     let voice = null;
     voice = available.find(v => v.default) || available[0];