Update CheckVowels.java

fix: correct class description in CheckVowels.java

Author: Abdul-Rehman-svg

src/main/java/com/thealgorithms/strings/CheckVowels.java

@@ -3,9 +3,7 @@
 import java.util.Set;
 
 /**
- * Vowel Count is a system whereby character strings are placed in order based
- * on the position of the characters in the conventional ordering of an
- * alphabet. Wikipedia: https://en.wikipedia.org/wiki/Alphabetical_order
+  * Utility class to check whether a given string contains any vowels.
  */
 public final class CheckVowels {
     private static final Set<Character> VOWELS = Set.of('a', 'e', 'i', 'o', 'u');