Fix #5428: Remove non-ASCII characters from JsBuiltIn.js and generated .bc.*.h

Author: dilijev

lib/Runtime/Library/JsBuiltIn/JsBuiltIn.js

@@ -157,7 +157,7 @@
            So we refactored to use integers instead. */
         if (n === 0) {      // Corresponds to "If n is -0, let k be +0" in the spec
             k = 0;
-        } else if (n > 0) { // Corresponds to "If n ≥ 0, then [...] let k be n."
+        } else if (n > 0) { // Corresponds to "If n >= 0, then [...] let k be n."
             k = n;
         } else {            // Corresponds to "Else n < 0"
             k = len + n;