Removes some unnecessary stuff in Utf8String::extractWords()

Signed-off-by: Jon Stovell <jonstovell@gmail.com>

Sources/Unicode/Utf8String.php

@@ -663,25 +663,16 @@ public function extractWords(int $level): array
  $original_string = $this->string;
 
  // Replace any illegal entities with spaces.
- $this->string = \SMF\Utils::sanitizeEntities($this->string, ' ');
+ $this->string = Utils::sanitizeEntities($this->string, ' ');
 
  // Decode all the entities.
- $this->string = \SMF\Utils::entityDecode($this->string, true, ENT_QUOTES | ENT_HTML5, true);
+ $this->string = Utils::entityDecode($this->string, true, ENT_QUOTES | ENT_HTML5, true);
 
  // Replace unwanted invisible characters with spaces.
  $this->sanitizeInvisibles($level, ' ');
 
  // Normalize the whitespace.
- $this->string = \SMF\Utils::normalizeSpaces($this->string, true, true, ['replace_tabs' => true, 'collapse_hspace' => true]);
-
- // Sanitize variation selectors and join controls.
- $placeholders = [];
- $this->sanitizeVariationSelectors($placeholders, ' ');
- $this->sanitizeJoinControls($placeholders, $level, ' ');
-
- if (!empty($placeholders)) {
- $this->string = strtr($this->string, array_flip($placeholders));
- }
+ $this->string = Utils::normalizeSpaces($this->string, true, true, ['replace_tabs' => true, 'collapse_hspace' => true]);
 
  // We'll need these one way or another.
  require_once __DIR__ . '/RegularExpressions.php';