Fixed Clang formatting issue

Author: bennybebo

src/main/java/com/thealgorithms/ciphers/Autokey.java

@@ -1,15 +1,12 @@
 package com.thealgorithms.ciphers;
 
-import java.util.HashMap;
-import java.util.Map;
-
 /**
- * The Autokey Cipher is an interesting and historically significant encryption method, 
- * as it improves upon the classic Vigenère Cipher by using the plaintext itself to 
- * extend the key. This makes it harder to break using frequency analysis, as it 
+ * The Autokey Cipher is an interesting and historically significant encryption method,
+ * as it improves upon the classic Vigenère Cipher by using the plaintext itself to
+ * extend the key. This makes it harder to break using frequency analysis, as it
  * doesn’t rely solely on a repeated key.
  * https://en.wikipedia.org/wiki/Autokey_cipher
- * 
+ *
  * @author bennybebo
  */
 public class AutokeyCipher {
@@ -18,41 +15,41 @@ public class AutokeyCipher {
     public String encrypt(String plaintext, String keyword) {
         plaintext = plaintext.toUpperCase().replaceAll("[^A-Z]", ""); // Sanitize input
         keyword = keyword.toUpperCase();
-        
+
         StringBuilder extendedKey = new StringBuilder(keyword);
         extendedKey.append(plaintext); // Extend key with plaintext
-        
+
         StringBuilder ciphertext = new StringBuilder();
-        
+
         for (int i = 0; i < plaintext.length(); i++) {
             char plainChar = plaintext.charAt(i);
             char keyChar = extendedKey.charAt(i);
-            
+
             int encryptedChar = ((plainChar - 'A') + (keyChar - 'A')) % 26 + 'A';
             ciphertext.append((char) encryptedChar);
         }
-        
+
         return ciphertext.toString();
     }
 
     // Decrypts the ciphertext using the Autokey cipher
     public String decrypt(String ciphertext, String keyword) {
         ciphertext = ciphertext.toUpperCase().replaceAll("[^A-Z]", ""); // Sanitize input
         keyword = keyword.toUpperCase();
-        
+
         StringBuilder plaintext = new StringBuilder();
         StringBuilder extendedKey = new StringBuilder(keyword);
-        
+
         for (int i = 0; i < ciphertext.length(); i++) {
             char cipherChar = ciphertext.charAt(i);
             char keyChar = extendedKey.charAt(i);
-            
+
             int decryptedChar = ((cipherChar - 'A') - (keyChar - 'A') + 26) % 26 + 'A';
             plaintext.append((char) decryptedChar);
-            
+
             extendedKey.append((char) decryptedChar); // Extend key with each decrypted char
         }
-        
+
         return plaintext.toString();
     }
 }