Remove FUNCTIONS section of Dancer2 pod

In the context of all the other information we are presenting via the
README, the Pod for runner() seems completely out of place. I can drop
this commit if anyone feels the Pod for runner() is necessary, but I
don't think it serves any purpose here. Change my mind!

README.mkdn

@@ -101,12 +101,6 @@ complete outline on where to go for help.
     broken, unused, or outdated code from the Dancer2 codebase. This policy is critical
     for guiding and shaping future development of Dancer2.
 
-# FUNCTIONS
-
-## my $runner=runner();
-
-Returns the current runner. It is of type [Dancer2::Core::Runner](https://metacpan.org/pod/Dancer2%3A%3ACore%3A%3ARunner).
-
 # SECURITY REPORTS
 
 If you need to report a security vulnerability in Dancer2, send all pertinent

lib/Dancer2.pm

@@ -224,12 +224,6 @@ for guiding and shaping future development of Dancer2.
 
 =back
 
-=func my $runner=runner();
-
-Returns the current runner. It is of type L<Dancer2::Core::Runner>.
-
-=cut
-
 =head1 SECURITY REPORTS
 
 If you need to report a security vulnerability in Dancer2, send all pertinent