Remove PHP session issue code

src/modules/stack/install/ee_mod_setup_php.sh

@@ -80,9 +80,5 @@ function ee_mod_setup_php()
 		sed -i "s/-m.*/-m ${EE_MEMCACHE_SIZE}/" /etc/memcached.conf \
 		|| ee_lib_error "Unable to change Memcache memory value, exit status = " $?	
 
-		# Resolve php session Error Ref: #302
-		#chmod a+t+w /var/lib/php5 &&
-		#chmod go-r /var/lib/php5 \
-		#|| ee_lib_error "Unable to setup PHP session error permissions, exit status = " $?	
 	fi
 }