go.tools/present: Remove formatting comments (HL, OMIT) from raw code.
go.tools/present: Remove formatting comments (HL, OMIT) from raw code.

LGTM=adg
R=adg
CC=golang-codereviews
https://codereview.appspot.com/68870043

8limbs/gotools,skyportsystems/go.tools,bryanxu/go-zh.tools,skyportsystems/go.tools,8limbs/gotools,d0f/go-zh.tools,webfd/go-zh.tools,webfd/go-zh.tools,bryanxu/go-zh.tools,webfd/go-zh.tools,bryanxu/go-zh.tools,bryanxu/go-zh.tools,d0f/go-zh.tools,d0f/go-zh.tools,skyportsystems/go.tools,skyportsystems/go.tools,d0f/go-zh.tools,webfd/go-zh.tools,8limbs/gotools,skyportsystems/go.tools,webfd/go-zh.tools,bryanxu/go-zh.tools,d0f/go-zh.tools