Revert throws

Author: driesvints

src/Illuminate/Cache/DynamoDbStore.php

@@ -253,8 +253,6 @@ public function putMany(array $values, $seconds)
      * @param  mixed  $value
      * @param  int  $seconds
      * @return bool
-     *
-     * @throws \Aws\DynamoDb\Exception\DynamoDbException
      */
     public function add($key, $value, $seconds)
     {
@@ -300,8 +298,6 @@ public function add($key, $value, $seconds)
      * @param  string  $key
      * @param  mixed  $value
      * @return int|bool
-     *
-     * @throws \Aws\DynamoDb\Exception\DynamoDbException
      */
     public function increment($key, $value = 1)
     {
@@ -347,8 +343,6 @@ public function increment($key, $value = 1)
      * @param  string  $key
      * @param  mixed  $value
      * @return int|bool
-     *
-     * @throws \Aws\DynamoDb\Exception\DynamoDbException
      */
     public function decrement($key, $value = 1)
     {