Remove JavaDoc-breaking comment

Author: deanpapastrat

src/main/java/com/squareup/square/SquareClient.java

@@ -740,7 +740,7 @@ public Builder additionalHeaders(Headers additionalHeaders) {
         /**
          * The timeout to use for making HTTP requests.
          * @deprecated This method will be removed in a future version. Use
-         *             {@link #httpClientConfig()} instead.
+         *             httpClientConfig() instead.
          * @param timeout must be greater then 0.
          * @return Builder
          */
@@ -784,4 +784,4 @@ public SquareClient build() {
                     httpClientConfig, additionalHeaders, accessToken, authManagers, httpCallback);
         }
     }
-}
+}