Update Javadoc comment in ApiFactory.java to reflect method functionality

Author: Sandro642

src/main/java/fr/sandro642/github/api/ApiFactory.java

@@ -56,7 +56,7 @@ protected void parseFromRawJson(String rawJson) {
     }
 
     /**
-     * Method to retrieve the raw JSON data as a string.
+     * Method to retrieve the statusCode from response.
      */
     protected void setStatusCode(int statusCode) {
         this.statusCode = statusCode;