Removed Deprecated Getter and Setters

- Removed Deprecated Getter Setters from all Model Classes
- All Camelcase getters and setters are removed. Please use first letter uppercase syntax
- E.g. instead of using get_notify_url(), use getNotifyUrl() instead

lib/PayPal/Api/InvoicingPaymentDetail.php

@@ -67,31 +67,6 @@ class InvoicingPaymentDetail extends PayPalModel
         return $this->transaction_id;
     }
 
-    /**
-     * PayPal payment transaction id. Mandatory field in case the type value is PAYPAL.
-     *
-     * @deprecated Instead use setTransactionId
-     *
-     * @param string $transaction_id
-     * @return $this
-     */
-    public function setTransaction_id($transaction_id)
-    {
-        $this->transaction_id = $transaction_id;
-        return $this;
-    }
-
-    /**
-     * PayPal payment transaction id. Mandatory field in case the type value is PAYPAL.
-     * @deprecated Instead use getTransactionId
-     *
-     * @return string
-     */
-    public function getTransaction_id()
-    {
-        return $this->transaction_id;
-    }
-
     /**
      * Type of the transaction.
      * Valid Values: ["SALE", "AUTHORIZATION", "CAPTURE"]
@@ -116,31 +91,6 @@ class InvoicingPaymentDetail extends PayPalModel
         return $this->transaction_type;
     }
 
-    /**
-     * Type of the transaction.
-     *
-     * @deprecated Instead use setTransactionType
-     *
-     * @param string $transaction_type
-     * @return $this
-     */
-    public function setTransaction_type($transaction_type)
-    {
-        $this->transaction_type = $transaction_type;
-        return $this;
-    }
-
-    /**
-     * Type of the transaction.
-     * @deprecated Instead use getTransactionType
-     *
-     * @return string
-     */
-    public function getTransaction_type()
-    {
-        return $this->transaction_type;
-    }
-
     /**
      * Date when the invoice was paid. Date format yyyy-MM-dd z, as defined in [ISO8601](http://tools.ietf.org/html/rfc3339#section-5.6).
      *