Update _chef_X_remote functions for current knife output

The format of the output from "knife X list" commands has changed since
this completion script was written.

src/_knife

@@ -155,27 +155,27 @@ _knife_options3() {
 
 # The chef_x_remote functions use knife to get a list of objects of type x on the server
 _chef_roles_remote() {
- (knife role list | grep \" | awk '{print $1}' | awk -F"," '{print $1}' | awk -F"\"" '{print $2}')
+ (knife role list | awk '{print $1}')
 }
 
 _chef_clients_remote() {
- (knife client list | grep \" | awk '{print $1}' | awk -F"," '{print $1}' | awk -F"\"" '{print $2}')
+ (knife client list | awk '{print $1}')
 }
 
 _chef_nodes_remote() {
- (knife node list | grep \" | awk '{print $1}' | awk -F"," '{print $1}' | awk -F"\"" '{print $2}')
+ (knife node list | awk '{print $1}')
 }
 
 _chef_cookbooks_remote() {
- (knife cookbook list | grep \" | awk '{print $1}' | awk -F"," '{print $1}' | awk -F"\"" '{print $2}')
+ (knife cookbook list | awk '{print $1}')
 }
 
 _chef_sitecookbooks_remote() {
- (knife cookbook site list | grep \" | awk '{print $1}' | awk -F"," '{print $1}' | awk -F"\"" '{print $2}')
+ (knife cookbook site list | awk '{print $1}')
 }
 
 _chef_data_bags_remote() {
- (knife data bag list | grep \" | awk '{print $1}' | awk -F"," '{print $1}' | awk -F"\"" '{print $2}')
+ (knife data bag list | awk '{print $1}')
 }
 
 # The chef_x_local functions use the knife config to find the paths of relevant objects x to be uploaded to the server