[O] disable title-format "<h1>%s</h1>\n" when exporting html

[Vinh Nguyen]

Dear list,

I would like my org html exporter to not include the title as an H1
header.  According to this
(http://orgmode.org/worg/org-contrib/org-export-generic.html), I think
I could do it by setting it to blank in my init file.  However, I'd
like to keep as is the default, but would like to disable the
inclusion of

"<h1>%s</h1>\n"

for each project/org file by itself.  Is there any way to set this
option within the org file?  Thanks for your help.

-- Vinh