Remove typo line

Author: mdmintz

integrations/linux/Linuxfile.sh

@@ -56,7 +56,6 @@ sudo apt-get install -y --force-yes xvfb
 sudo apt-get install -y --force-yes build-essential chrpath libssl-dev libxft-dev
 sudo apt-get install -y --force-yes libfreetype6 libfreetype6-dev
 sudo apt-get install -y --force-yes libfontconfig1 libfontconfig1-dev
-sudo apt-get install -y --force-yesunzip
 
 # Install PhantomJS
 cd ~