fixing up issues for bad sshKey declaration in install-config.yaml

and removing additional spaces before "EOF" for sample configs files
of agent-config.yaml and install-config.yaml
Signed-off-by: Ultimate-etamitlU <[email protected]>

Author: Ultimate-etamitlU

modules/installing-ocp-agent-inputs.adoc

@@ -73,9 +73,8 @@ networking:
 platform:
   none: {}
 pullSecret: '<pull_secret>' <4>
-sshKey: |
-  '<ssh_pub_key>' <5>
-  EOF
+sshKey: '<ssh_pub_key>' <5>
+EOF
 ----
 +
 <1> Specify the system architecture, valid values are `amd64` and `arm64`.
@@ -161,7 +160,7 @@ hosts: <2>
             next-hop-address: 192.168.111.2
             next-hop-interface: eno1
             table-id: 254
-  EOF
+EOF
 ----
 +
 <1> This IP address is used to determine which node performs the bootstrapping process as well as running the `assisted-service` component.
@@ -190,4 +189,4 @@ endif::pxe-boot[]
 
 ifeval::["{context}" == "prepare-pxe-assets-agent"]
 :!pxe-boot:
-endif::[]
+endif::[]