Delete Lambda prototype

Prototype the User DELETE lambda. Amplify does not include this functionality, so putting it in a Lambda with the fine-grained API. This currently does not invalidate outstanding tokens nor does it clean up the database.
@claytonwwilson You will want to add the clean up code instead of the deleted stuff in UserDeleter

Lambdas/Lists/User/resources/cognitoProperties.json

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+{
+  "userPoolId": "us-east-2_MFgSVKQMd",
+}

Lambdas/Lists/User/src/UserDELETE.java

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+import com.amazonaws.services.lambda.runtime.Context;
+import com.amazonaws.services.lambda.runtime.RequestHandler;
+
+import java.util.Map;
+
+public class UserDELETE implements RequestHandler<Map<String,Object>, Object> {
+
+    public Object handleRequest(Map<String, Object> inputMap, Context unfilled) {
+        return BasicHandler.handleRequest(inputMap, unfilled, UserDeleter.class);
+    }
+}

Lambdas/Lists/User/src/UserDeleter.java

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+import com.amazonaws.services.cognitoidp.AWSCognitoIdentityProvider;
+import com.amazonaws.services.cognitoidp.AWSCognitoIdentityProviderClientBuilder;
+import com.amazonaws.services.cognitoidp.model.AdminDeleteUserRequest;
+import com.amazonaws.services.cognitoidp.model.AdminUserGlobalSignOutRequest;
+
+import java.io.IOException;
+import java.sql.SQLException;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Properties;
+
+public class UserDeleter implements CallHandler {
+
+    private DBConnector connector;
+    private String cognitoID;
+
+    //private final String REMOVE_FROM_LIST = "DELETE FROM ListProduct WHERE (ProductID = ? AND ListID = ?);";
+
+    public UserDeleter(DBConnector connector, String cognitoID) {
+        this.connector = connector;
+        this.cognitoID = cognitoID;
+    }
+
+    public Object conductAction(Map<String, Object> bodyMap, HashMap<String, String> queryString, String cognitoID) throws SQLException {
+        AWSCognitoIdentityProvider awsCognitoIdentityProvider = AWSCognitoIdentityProviderClientBuilder.defaultClient();
+        Properties cognitoProperties;
+        try {
+            cognitoProperties = DBConnector.loadProperties("cognitoProperties.json");
+        } catch (IOException e) {
+            e.printStackTrace();
+            return null;
+        }
+        String userPoolId = cognitoProperties.get("userPoolId").toString();
+        System.out.println(userPoolId);
+        AdminDeleteUserRequest adminDeleteUserRequest = new AdminDeleteUserRequest().withUserPoolId(userPoolId);
+        adminDeleteUserRequest.setUsername(cognitoID);
+        System.out.println(adminDeleteUserRequest);
+        awsCognitoIdentityProvider.adminDeleteUser(adminDeleteUserRequest);
+        AdminUserGlobalSignOutRequest adminUserGlobalSignOutRequest = new AdminUserGlobalSignOutRequest().withUserPoolId(userPoolId);
+        adminUserGlobalSignOutRequest.setUsername(cognitoID);
+        System.out.println(adminUserGlobalSignOutRequest);
+        awsCognitoIdentityProvider.adminUserGlobalSignOut(adminUserGlobalSignOutRequest);
+
+        return null;
+
+        //        Connection connection = connector.getConnection();
+//        try {
+//            PreparedStatement statement = connection.prepareStatement(REMOVE_FROM_LIST);
+//            statement.setInt(1, (Integer) bodyMap.get("ProductID"));
+//            statement.setInt(2, (Integer) bodyMap.get("ListID"));
+//            System.out.println(statement);
+//            statement.executeUpdate();
+//            connection.commit();
+//        } finally {
+//            connection.close();
+//        }
+//        return null;
+    }
+}