doc: remove line breaks from readme

Author: sgtoj

README.md

@@ -4,8 +4,6 @@ Provision a small, self-healing fleet of EC2 instances that automatically join
 an **existing Teleport Cloud** cluster. The nodes can run the Teleport **Node,
 App, or Database** services and implements AWS EC2 best practices.
 
----
-
 ## Features
 
 * **One-Command Deploy** – Launches an Auto Scaling Group behind the scenes;
@@ -22,8 +20,6 @@ App, or Database** services and implements AWS EC2 best practices.
 * **Hygienic Networking & IAM** – No public IPs, IMDSv2 enforced, least-priv
   policies, single inbound rule limited to the SG itself for Teleport gossip.
 
----
-
 ## Usage
 
 ```hcl
@@ -41,8 +37,6 @@ module "teleport_nodes" {
 }
 ```
 
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-
 ## Inputs
 In addition to the variables documented below, this module includes several
 other optional variables (e.g., `name`, `tags`, etc.) provided by the
@@ -66,8 +60,6 @@ for more details on these variables.
 | `vpc_security_group_ids`                 | Extra SGs to attach.                                                                    |     `list(string)`    |          `[]`          |    no    |
 | `experimental_mode`                      | Shorter CW log retention & zero-health refresh for dev.                                 |         `bool`        |         `false`        |    no    |
 
----
-
 ## Outputs
 
 | Name                  | Description                                     |