Editorial: Reinstate an SDO rule

PR tc39#1933 deleted SDO rules that are handled by the chain production rule,
but it also deleted this one which isn't.
(It has "TV" on the left and "TRV" on the right.)

spec.html

@@ -11819,6 +11819,9 @@ <h1>Static Semantics: TV and TRV</h1>
           <li>
             The TV of <emu-grammar>TemplateCharacter :: `\` NotEscapeSequence</emu-grammar> is *undefined*.
           </li>
+          <li>
+            The TV of <emu-grammar>TemplateCharacter :: LineTerminatorSequence</emu-grammar> is the TRV of |LineTerminatorSequence|.
+          </li>
           <li>
             The TV of <emu-grammar>LineContinuation :: `\` LineTerminatorSequence</emu-grammar> is the empty code unit sequence.
           </li>