Drop redundant check in skipOptionalSVGSpacesOrDelimiter

https://bugs.webkit.org/show_bug.cgi?id=263272

Reviewed by Simon Fraser.

Merge: https://chromium-review.googlesource.com/c/chromium/src/+/2642784

skipOptionalSVGSpaces() returns true if this condition (m_position < m_end) is
true, so we don't need to check it again.

* Source/WebCore/svg/SVGParserUtilities.h:
(skipOptionalSVGSpacesOrDelimiter):

Canonical link: https://commits.webkit.org/269478@main

Source/WebCore/svg/SVGParserUtilities.h

@@ -98,7 +98,7 @@ template<typename CharacterType> constexpr bool skipOptionalSVGSpacesOrDelimiter
     if (characters.hasCharactersRemaining() && !isSVGSpace(*characters) && *characters != delimiter)
         return false;
     if (skipOptionalSVGSpaces(characters)) {
-        if (characters.hasCharactersRemaining() && *characters == delimiter) {
+        if (*characters == delimiter) {
             characters++;
             skipOptionalSVGSpaces(characters);
         }