Remove outdates preview note from README (#390)

README.md

@@ -2,23 +2,6 @@
 
 A YAML (and JSON) language provider for Pulumi.
 
-## Preview
-
-To use YAML language support in Pulumi, either:
-
-* Clone this repo and run `make install` to build from source.
-
-* Download the [latest release](https://github.com/pulumi/pulumi-yaml/releases) for your platform
-  and place `pulumi-language-yaml` on your PATH. This can be in ~/.pulumi/bin or any other location.
-
-* (Requires Pulumi 3.27.0) Configure a [GitHub personal access
-  token](https://docs.github.com/en/authentication/keeping-your-account-and-data-secure/creating-a-personal-access-token)
-  with the "repo" scope and set the GITHUB_TOKEN environment variable to your token before running:
-
-  ```
-  pulumi plugin install language yaml
-  ```
-
 ## Examples
 
 See [examples dir](./examples) for tested examples.
@@ -82,9 +65,9 @@ resources:
       instanceType: ${InstanceType}
       ami: ${AmazonLinuxAmi}
       userData: |-
-          #!/bin/bash
-          echo 'Hello, World from ${WebSecGrp.arn}!' > index.html
-          nohup python -m SimpleHTTPServer 80 &
+        #!/bin/bash
+        echo 'Hello, World from ${WebSecGrp.arn}!' > index.html
+        nohup python -m SimpleHTTPServer 80 &
       vpcSecurityGroupIds:
         - ${WebSecGrp}
   UsEast2Provider: