remove "requiresOSAuthentication" parameter

reverts #41

Author: infeo

src/main/java/org/cryptomator/integrations/keychain/KeychainAccessProvider.java

@@ -44,26 +44,7 @@ static Stream<KeychainAccessProvider> get() {
 	 * @throws KeychainAccessException If storing the password failed
 	 */
 	@Blocking
-	default void storePassphrase(String key, @Nullable String displayName, CharSequence passphrase) throws KeychainAccessException {
-		storePassphrase(key, displayName, passphrase, false);
-	}
-
-	/**
-	 * Associates a passphrase with a given key and a name for that key.
-	 * <p>
-	 * Note: Caller is responsible for zeroing the passphrase array after use.
-	 *
-	 * @param key                     Key used to retrieve the passphrase via {@link #loadPassphrase(String)}.
-	 * @param displayName             The according name to the key. That's the name of the vault displayed in the UI.
-	 *                                It's passed to the keychain as an additional information about the vault besides the key.
-	 *                                The parameter does not need to be unique or be checked by the keychain.
-	 * @param passphrase              The secret to store in this keychain.
-	 * @param requireOsAuthentication Defines, whether the user needs to authenticate to store a passphrase.
-	 *                                The authentication mechanism is provided by the operating system dependent
-	 *                                implementations of this API.
-	 * @throws KeychainAccessException If storing the password failed
-	 */
-	void storePassphrase(String key, @Nullable String displayName, CharSequence passphrase, boolean requireOsAuthentication) throws KeychainAccessException;
+	void storePassphrase(String key, @Nullable String displayName, CharSequence passphrase) throws KeychainAccessException;
 
 	/**
 	 * @param key Unique key previously used while {@link #storePassphrase(String, String, CharSequence)}  storing a passphrase}.