tree c1a5b768dd8e422e56ea276c1151aa3950acbeed
parent ce1291533bf047e29f9e188b3f697d3a5157d142
author Masahiro Furudate <masahiro.furudate@gmail.com> 1494696984 +0900
committer Kevin Burke <kev@inburke.com> 1494700017 +0000

godoc: use "IsPredeclared" of go/doc

In the go/doc, the same map as "predeclared" is defined.
Instead of the "predeclared" map use the "IsPredeclared" function
which is an accessor for the go/doc map.

Deleted unnecessary "predeclared".

Fixes golang/go#20357

Change-Id: I7fdf42cfeb4440fb490be9380f39035be88f9a5a
Reviewed-on: https://go-review.googlesource.com/43473
Reviewed-by: Kevin Burke <kev@inburke.com>