Remove unused Javadoc comment from ApiFactory.java

Author: Sandro642

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

@@ -57,8 +57,6 @@ protected void parseFromRawJson(String rawJson) {
 
     /**
      * Method to retrieve the raw JSON data as a string.
-     *
-     * @return The raw JSON data as a string, or null if not initialized.
      */
     protected void setStatusCode(int statusCode) {
         this.statusCode = statusCode;