Revert "Outline initialized with proper data when file is updated - no updates yet when file changes"

This reverts commit 6823ada48627e32c79d74e93bf17a308c02e1be9.
Revert "Outline with dummy content"

This reverts commit 21644f0875b81d46393c46bfcb8a1d3e6652b291.

Conflicts:

	plugin/src/main/java/com/nitorcreations/robotframework/eclipseide/editors/outline/ParsedStringEntry.java
	plugin/src/main/java/com/nitorcreations/robotframework/eclipseide/editors/outline/RobotContentOutlinePage.java
	plugin/src/main/java/com/nitorcreations/robotframework/eclipseide/editors/outline/RobotOutlineContentProvider.java
	plugin/src/main/java/com/nitorcreations/robotframework/eclipseide/editors/outline/RootCategoryEntry.java