Editorial: remove unhelpful notes in String startsWith/endsWith

spec.html

@@ -35626,9 +35626,6 @@ <h1>String.prototype.endsWith ( _searchString_ [ , _endPosition_ ] )</h1>
           1. If _substring_ is _searchStr_, return *true*.
           1. Return *false*.
         </emu-alg>
-        <emu-note>
-          <p>This method returns *true* if the sequence of code units of _searchString_ converted to a String is the same as the corresponding code units of this object (converted to a String) starting at _endPosition_ - length(_searchString_). Otherwise it returns *false*.</p>
-        </emu-note>
         <emu-note>
           <p>Throwing an exception if the first argument is a RegExp is specified in order to allow future editions to define extensions that allow such argument values.</p>
         </emu-note>
@@ -36215,9 +36212,6 @@ <h1>String.prototype.startsWith ( _searchString_ [ , _position_ ] )</h1>
           1. If _substring_ is _searchStr_, return *true*.
           1. Return *false*.
         </emu-alg>
-        <emu-note>
-          <p>This method returns *true* if the sequence of code units of _searchString_ converted to a String is the same as the corresponding code units of this object (converted to a String) starting at index _position_. Otherwise it returns *false*.</p>
-        </emu-note>
         <emu-note>
           <p>Throwing an exception if the first argument is a RegExp is specified in order to allow future editions to define extensions that allow such argument values.</p>
         </emu-note>