Remove logging the origin line in Jest

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With Jest 24.3.0 or higher, you can do this in pure TypeScript by adding the following to a Jest setup file configured in setupFilesAfterEnv:

import { CustomConsole, LogType, LogMessage } from '@jest/console';

function simpleFormatter(type: LogType, message: LogMessage): string {
    const TITLE_INDENT = '    ';
    const CONSOLE_INDENT = TITLE_INDENT + '  ';

    return message
        .split(/\n/)
        .map(line => CONSOLE_INDENT + line)
        .join('\n');
}

global.console = new CustomConsole(process.stdout, process.stderr, simpleFormatter);

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