Replace hugo highlight syntax with native code blocks (DataDog#21231)

Author: JacksonDavenport

eks_fargate/README.md

@@ -228,7 +228,7 @@ The following is output from a sample Redis deployment's pod where the Admission
 
 The sidecar uses the image repository and tags set in `datadog-agent.yaml`.
 
-{{< highlight yaml "hl_lines=15-37" >}}
+```yaml
 metadata:
   labels:
     app: redis
@@ -266,7 +266,7 @@ spec:
       requests:
         cpu: 200m
         memory: 256Mi
-{{< /highlight >}}
+```
 
 ##### Custom configuration with sidecar profiles and custom selectors - Datadog Operator
 
@@ -311,7 +311,7 @@ Apply this configuration and wait for the Cluster Agent to reach a running state
 
 The following is output from a Redis deployment's pod where the Admission Controller injected an Agent sidecar based on the pod label `app: redis` instead of the label `agent.datadoghq.com/sidecar: fargate`:
 
-{{< highlight yaml "hl_lines=29-38" >}}
+```yaml
 metadata: 
   labels:
     app: redis
@@ -350,7 +350,7 @@ spec:
       limits:
         cpu: "800m"
         memory: "512Mi"
-{{< /highlight >}}
+```
 
 The environment variables and resource settings are automatically applied based on the new Fargate profile configured in the `DatadogAgent`.
 
@@ -400,7 +400,7 @@ The following is output from a sample Redis Deployment's pod where the Admission
 
 The sidecar uses the image repository and tags set in `datadog-values.yaml`.
 
-{{< highlight yaml "hl_lines=15-37" >}}
+```yaml
 metadata:
   labels:
     app: redis
@@ -438,7 +438,7 @@ spec:
       requests:
         cpu: 200m
         memory: 256Mi
- {{< /highlight >}}
+```
 
 ##### Custom configuration with sidecar profiles and custom selectors - Helm
 
@@ -481,7 +481,7 @@ Apply this configuration and wait for the Cluster Agent to reach a running state
 
 The following is output from a Redis deployment's pod where the Admission Controller injected an Agent sidecar based on the pod label `app: redis` instead of the label `agent.datadoghq.com/sidecar: fargate`:
 
-{{< highlight yaml "hl_lines=29-37" >}}
+```yaml
 metadata:
   labels:
     app: redis
@@ -520,7 +520,7 @@ spec:
       limits:
         cpu: "800m"
         memory: "512Mi"
-{{< /highlight >}}
+```
 
 The environment variables and resource settings are automatically applied based on the new Fargate profile configured in the Helm configuration.