[OE-core] [PATCH] Nothing uses USERNAME, remove it - can cause sstate-cache conflicts

[Richard Purdie]

On Wed, 2011-11-23 at 19:12 -0600, Matthew McClintock wrote:
> USER is the correct variable to use, also this can affect sstate
> cache as well.
> 
> Signed-off-by: Matthew McClintock <msm at freescale.com>

Merged to master, thanks.

Richard