Revert the orange syntax highlighting for functions.
Revert the orange syntax highlighting for functions.

The changes were introduced in Change Id07e34e33.

Bug: Issue 10658
Change-Id: I65edee2bb877cbe588027f717b2a6b6e0a1e1280
(cherry picked from commit 4d6f3309d0b21c79b7d7f003981f9fd99bbc8d31)

qtproject/qtqa-gerrit,GerritCodeReview/gerrit,qtproject/qtqa-gerrit,WANdisco/gerrit,WANdisco/gerrit,GerritCodeReview/gerrit,GerritCodeReview/gerrit,qtproject/qtqa-gerrit,GerritCodeReview/gerrit,WANdisco/gerrit,qtproject/qtqa-gerrit,GerritCodeReview/gerrit,GerritCodeReview/gerrit,WANdisco/gerrit,qtproject/qtqa-gerrit,GerritCodeReview/gerrit,GerritCodeReview/gerrit,WANdisco/gerrit,qtproject/qtqa-gerrit,WANdisco/gerrit,WANdisco/gerrit,qtproject/qtqa-gerrit