(refactor) Rename ::getPageProperties()

This method no longer gets the page properties, it just optionally
outputs the developer meta, so let's rename it accordingly.

src/SendHeaders.php

@@ -39,8 +39,7 @@ public function setCacheHeader(): void
 			$this->developerMode = get_field('cache_control_plugin_developer_mode', 'option') ?? false;
 		}
 
-		//Get our page properties that we will be using to figure out our cache settings,
-		$this->getPageProperties();
+		$this->outputDeveloperMeta();
 
 		// if we are logged in, or on the front page we don't need to worry about configuring things further
 		if ($this->page->isLoggedInUser() || $this->page->requiresPassword() || $this->page->isPreviewPage()) {
@@ -100,7 +99,7 @@ public function setCacheHeader(): void
 	 *
 	 * @return void
 	 */
-	protected function getPageProperties(): void
+	protected function outputDeveloperMeta(): void
 	{
 		// If we are in developer mode we want to see what the current page is setting.
 		if ($this->developerMode) {