Fix UrlPathHelper#shouldRemoveSemicolonContent() (#27303)

The checkReadOnly() method should only be called from
methods that modify properties to prevent modification
of read-only instances.

Fixes #27256

spring-web/src/main/java/org/springframework/web/util/UrlPathHelper.java

@@ -147,7 +147,6 @@ public class UrlPathHelper {
 	 * Whether configured to remove ";" (semicolon) content from the request URI.
 	 */
 	public boolean shouldRemoveSemicolonContent() {
-		checkReadOnly();
 		return this.removeSemicolonContent;
 	}