removed sudo from install readline and git

install.sh

@@ -94,10 +94,10 @@ wget -N --continue --no-check-certificate https://raw.github.com/skycocker/chrom
 wget -N --continue --no-check-certificate https://raw.github.com/skycocker/chromebrew/master/packages/linuxheaders.rb
 
 #install readline for ruby
-(echo y;) | sudo crew install readline
+(echo y;) | crew install readline
 
 #install git
-(echo y;) | sudo crew install git
+(echo y;) | crew install git
 
 #prepare sparse checkout .rb packages directory and do it
 cd $CREW_LIB_PATH