kernel-doc: Remove __sched markings

I find the __sched annotations unaesthetic in the kernel-doc.  Remove
them like we remove __inline, __weak, __init and so on.

Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>

scripts/kernel-doc

@@ -1578,6 +1578,7 @@ sub dump_function($$) {
     $prototype =~ s/__meminit +//;
     $prototype =~ s/__must_check +//;
     $prototype =~ s/__weak +//;
+    $prototype =~ s/__sched +//;
     my $define = $prototype =~ s/^#\s*define\s+//; #ak added
     $prototype =~ s/__attribute__\s*\(\(
             (?: