Remove unused KeyVaultLoadStoreParameter constructor with boolean parameter

Co-authored-by: rujche <171773178+rujche@users.noreply.github.com>

Author: Copilot

sdk/keyvault/azure-security-keyvault-jca/src/main/java/com/azure/security/keyvault/jca/KeyVaultLoadStoreParameter.java

@@ -65,17 +65,6 @@ public KeyVaultLoadStoreParameter(String keyVaultUri, String managedIdentity) {
         this(keyVaultUri, null, null, null, managedIdentity, null);
     }
 
-    /**
-     * Constructor for access token authentication.
-     *
-     * @param keyVaultUri The Azure Key Vault URI.
-     * @param accessToken The access token.
-     * @param useAccessToken Marker parameter to differentiate from managedIdentity constructor (pass true).
-     */
-    public KeyVaultLoadStoreParameter(String keyVaultUri, String accessToken, boolean useAccessToken) {
-        this(keyVaultUri, null, null, null, null, accessToken);
-    }
-
     /**
      * Constructor.
      *