Remove duplicates from JSON file : <p>My JSON file is very big so I won't show here all the data, but here's the example.</p>

<pre><code>[ 
    { 
        "firstName": "C. Ronaldo",
        "lastName": "dos Santos Aveiro",
        "commonName": "Cristiano Ronaldo"
    }, 

    { 
        "firstName": "Luka",
        "lastName": "Modrić", 
        "commonName": ""
    }, 

    { 
        "firstName": "C. Ronaldo", 
        "lastName": "dos Santos Aveiro", 
        "commonName": "Cristiano Ronaldo"
    }
] 
</code></pre>

<p>What I want to achive is to remove duplicated players that have same values inside.</p>

<p>So I want to get a result like:</p>

<pre><code>[ 
    { 
        "firstName": "C. Ronaldo",
        "lastName": "dos Santos Aveiro",
        "commonName": "Cristiano Ronaldo"
    }, 

    { 
        "firstName": "Luka",
        "lastName": "Modrić", 
        "commonName": ""
    }
] 
</code></pre>

<p>Thx in advance :)</p>
