[GTK3] Clean up functions that don't need to be dynamic [EBZ#539571] -------------------------------------------------------------------- Key: ERT-676 URL: https://issues.jboss.org/browse/ERT-676 Project: Eclipse Release Train Issue Type: Task Components: Platform Reporter: Friendly Jira Robot Assignee: Eric Williams Priority: Major Labels: SWT, bzira Some functions are dynamic because they didn't exist on GTK2, or other reasons. Having too many dynamic functions makes it really difficult to find deprecated ones -- let's clean these up.