AesCrypt: Remove deprecated methods `encryptToBase64()` and `decryptFromBase64()`

library/Icinga/Crypt/AesCrypt.php

@@ -244,22 +244,6 @@ class AesCrypt
         return $decrypt;
     }
 
-    /**
-     * Decode from Base64 and decrypt the given string
-     *
-     * @param string $data
-     *
-     * @return string The base64 decoded and decrypted string
-     *
-     * @deprecated Use decrypt() instead as it also returns a base64 decoded string
-     *
-     * @throws RuntimeException If decryption fails
-     */
-    public function decryptFromBase64($data)
-    {
-        return $this->decrypt(base64_decode($data));
-    }
-
     /**
      * Encrypt the given string
      *
@@ -284,22 +268,6 @@ class AesCrypt
         return $encrypt;
     }
 
-    /**
-     * Encrypt the given string and encode to Base64
-     *
-     * @param string $data
-     *
-     * @return string encrypted and base64 encoded string
-     *
-     * @deprecated Use encrypt() instead as it also returns a base64 encoded string
-     *
-     * @throws RuntimeException If encryption fails
-     */
-    public function encryptToBase64($data)
-    {
-        return base64_encode($this->encrypt($data));
-    }
-
     /**
      * Decrypt the given string with non Authenticated encryption (AE) cipher method
      *