Fix PayPal Pro Iframe

Converted brackets to parentheses for config->get
https://github.com/opencart/opencart/issues/2155
Merge pull request #2153 from uksitebuilder/fix-paypal-pro-iframe

Fix PayPal Pro Iframe
Fix some incorrect breadcrumbs

Fix some incorrect breadcrumbs which were pointing to extensions - feeds
for some reason

Also remove one language variable not used in sitemaps
https://github.com/opencart/opencart/pull/2159
Merge pull request #2158 from uksitebuilder/fix-more-breadcrumbs

Fix some incorrect breadcrumbs