chore(README.md): remove beta status

Ref deis/workflow#285

Author: Vaughn Dice

README.md

@@ -7,9 +7,7 @@ Deis (pronounced DAY-iss) Workflow is an open source Platform as a Service (PaaS
 
 For more information about the Deis Workflow, please visit the main project page at https://github.com/deis/workflow.
 
-## Beta Status
-
-This Deis component is currently in beta status, and we welcome your input! If you have feedback, please submit an [issue][issues]. If you'd like to participate in development, please read the "Development" section below and submit a [pull request][prs].
+We welcome your input! If you have feedback, please submit an [issue][issues]. If you'd like to participate in development, please read the "Development" section below and submit a [pull request][prs].
 
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