Fix ERB syntax in debian postinst script
Fix ERB syntax in debian postinst script

We were using `<%= if @pe -%>`, but as an `if` statement produces no output,
ERB complains about the use of `=`. This patch removes that character.

Signed-off-by: Deepak Giridharagopal <d11186354d1ef01ca06ae37d7e23e827da13e85f@puppetlabs.com>

senior/puppetdb,shrug/puppetdb,grimradical/puppetdb,stahnma/puppetdb,waynr/puppetdb,shrug/puppetdb,nfagerlund/puppetdb,jantman/puppetdb,kbrezina/puppetdb,ajroetker/puppetdb,stahnma/puppetdb,cprice404/puppetdb,kbrezina/puppetdb,github/puppetlabs-puppetdb,puppetlabs/puppetdb,cprice404/puppetdb,haus/puppetdb,johnduarte/puppetdb,senior/puppetdb,mullr/puppetdb,highb/puppetdb,mullr/puppetdb,cprice404/puppetdb,highb/puppetdb,jantman/puppetdb,stahnma/puppetdb,melissa/puppetdb,ajroetker/puppetdb,ajroetker/puppetdb,johnduarte/puppetdb,senior/puppetdb,kbarber/puppetdb,grimradical/puppetdb,mullr/puppetdb,kbarber/puppetdb,shrug/puppetdb,wkalt/puppetdb,haus/puppetdb,kbarber/puppetdb,rbrw/puppetdb,rbrw/puppetdb,johnduarte/puppetdb,mullr/puppetdb,haus/puppetdb,waynr/puppetdb,waynr/puppetdb,puppetlabs/puppetdb,nfagerlund/puppetdb,highb/puppetdb,senior/puppetdb,rbrw/puppetdb,puppetlabs/puppetdb,highb/puppetdb,ajroetker/puppetdb,rbrw/puppetdb,shrug/puppetdb,puppetlabs/puppetdb,jantman/puppetdb,melissa/puppetdb,waynr/puppetdb,kbarber/puppetdb,wkalt/puppetdb,wkalt/puppetdb,grimradical/puppetdb,mullr/puppetdb,grimradical/puppetdb,kbrezina/puppetdb,github/puppetlabs-puppetdb,nfagerlund/puppetdb,wkalt/puppetdb,github/puppetlabs-puppetdb,johnduarte/puppetdb,kbrezina/puppetdb,melissa/puppetdb,rbrw/puppetdb,puppetlabs/puppetdb