Remove wrapping curly brackets on commands that do not need curly brackets.

This will make the command blocks easier to copy.

docs/04-certificate-authority.md

@@ -9,8 +9,6 @@ In this section you will provision a Certificate Authority that can be used to g
 Generate the CA configuration file, certificate, and private key:
 
 ```
-{
-
 cat > ca-config.json <<EOF
 {
   "signing": {
@@ -47,8 +45,6 @@ cat > ca-csr.json <<EOF
 EOF
 
 cfssl gencert -initca ca-csr.json | cfssljson -bare ca
-
-}
 ```
 
 Results:
@@ -67,8 +63,6 @@ In this section you will generate client and server certificates for each Kubern
 Generate the `admin` client certificate and private key:
 
 ```
-{
-
 cat > admin-csr.json <<EOF
 {
   "CN": "admin",
@@ -94,8 +88,6 @@ cfssl gencert \
   -config=ca-config.json \
   -profile=kubernetes \
   admin-csr.json | cfssljson -bare admin
-
-}
 ```
 
 Results:
@@ -164,8 +156,6 @@ worker-2.pem
 Generate the `kube-controller-manager` client certificate and private key:
 
 ```
-{
-
 cat > kube-controller-manager-csr.json <<EOF
 {
   "CN": "system:kube-controller-manager",
@@ -191,8 +181,6 @@ cfssl gencert \
   -config=ca-config.json \
   -profile=kubernetes \
   kube-controller-manager-csr.json | cfssljson -bare kube-controller-manager
-
-}
 ```
 
 Results:
@@ -208,8 +196,6 @@ kube-controller-manager.pem
 Generate the `kube-proxy` client certificate and private key:
 
 ```
-{
-
 cat > kube-proxy-csr.json <<EOF
 {
   "CN": "system:kube-proxy",
@@ -235,8 +221,6 @@ cfssl gencert \
   -config=ca-config.json \
   -profile=kubernetes \
   kube-proxy-csr.json | cfssljson -bare kube-proxy
-
-}
 ```
 
 Results:
@@ -251,8 +235,6 @@ kube-proxy.pem
 Generate the `kube-scheduler` client certificate and private key:
 
 ```
-{
-
 cat > kube-scheduler-csr.json <<EOF
 {
   "CN": "system:kube-scheduler",
@@ -278,8 +260,6 @@ cfssl gencert \
   -config=ca-config.json \
   -profile=kubernetes \
   kube-scheduler-csr.json | cfssljson -bare kube-scheduler
-
-}
 ```
 
 Results:
@@ -297,8 +277,6 @@ The `kubernetes-the-hard-way` static IP address will be included in the list of
 Generate the Kubernetes API Server certificate and private key:
 
 ```
-{
-
 KUBERNETES_PUBLIC_ADDRESS=$(gcloud compute addresses describe kubernetes-the-hard-way \
   --region $(gcloud config get-value compute/region) \
   --format 'value(address)')
@@ -329,8 +307,6 @@ cfssl gencert \
   -hostname=10.32.0.1,10.240.0.10,10.240.0.11,10.240.0.12,${KUBERNETES_PUBLIC_ADDRESS},127.0.0.1,kubernetes.default \
   -profile=kubernetes \
   kubernetes-csr.json | cfssljson -bare kubernetes
-
-}
 ```
 
 Results:
@@ -347,8 +323,6 @@ The Kubernetes Controller Manager leverages a key pair to generate and sign serv
 Generate the `service-account` certificate and private key:
 
 ```
-{
-
 cat > service-account-csr.json <<EOF
 {
   "CN": "service-accounts",
@@ -374,8 +348,6 @@ cfssl gencert \
   -config=ca-config.json \
   -profile=kubernetes \
   service-account-csr.json | cfssljson -bare service-account
-
-}
 ```
 
 Results:

docs/14-cleanup.md

@@ -17,7 +17,6 @@ gcloud -q compute instances delete \
 Delete the external load balancer network resources:
 
 ```
-{
 gcloud -q compute forwarding-rules delete kubernetes-forwarding-rule \
   --region $(gcloud config get-value compute/region)
 
@@ -26,7 +25,6 @@ Delete the external load balancer network resources:
 gcloud -q compute http-health-checks delete kubernetes
 
 gcloud -q compute addresses delete kubernetes-the-hard-way
-}
 ```
 
 Delete the `kubernetes-the-hard-way` firewall rules:
@@ -42,7 +40,6 @@ gcloud -q compute firewall-rules delete \
 Delete the `kubernetes-the-hard-way` network VPC:
 
 ```
-{
 gcloud -q compute routes delete \
   kubernetes-route-10-200-0-0-24 \
   kubernetes-route-10-200-1-0-24 \
@@ -51,5 +48,4 @@ Delete the `kubernetes-the-hard-way` network VPC:
 gcloud -q compute networks subnets delete kubernetes
 
 gcloud -q compute networks delete kubernetes-the-hard-way
-}
 ```