update gateway JEPS status to completed

Author: Zsailer

README.md

@@ -9,7 +9,7 @@ Below is a list of JEPs that have been submitted. To view the discussion around
 1. [Inactive] - [New Notebook Format for improved workflow integration](https://github.com/jupyter/enhancement-proposals/pull/4)
 1. [Inactive] - [Jupyter Extension Generator](https://github.com/jupyter/enhancement-proposals/pull/7)
 1. [Completed] - [Diffing and Merging Notebooks](https://github.com/jupyter/enhancement-proposals/pull/8)
-1. [In progress] - [Kernel Gateway](https://github.com/jupyter/enhancement-proposals/pull/12)
+1. [Completed] - [Kernel Gateway](https://github.com/jupyter/enhancement-proposals/pull/12)
 1. [Submitted] - [Kernel Nanny](https://github.com/jupyter/enhancement-proposals/pull/14)
 1. [Withdrawn] - [Layout Namespaces and Discovery](https://github.com/jupyter/enhancement-proposals/pull/15)
 1. [Submitted] - [Notebook Translation and Localization](https://github.com/jupyter/enhancement-proposals/pull/16)
@@ -19,7 +19,7 @@ Below is a list of JEPs that have been submitted. To view the discussion around
 1. [Completed] - [Move Dashboards Deployment Projects from Incubator to Attic](https://github.com/jupyter/enhancement-proposals/pull/22)
 1. [Submitted] - [Jupyter Template as Metadata](https://github.com/jupyter/enhancement-proposals/pull/23)
 1. [Submitted] - [Simplifying Error Reporting in Jupyter Protocol](https://github.com/jupyter/enhancement-proposals/pull/24)
-1. [In progress] - [Enterprise Gateway](https://github.com/jupyter/enhancement-proposals/pull/25)
+1. [Completed] - [Enterprise Gateway](https://github.com/jupyter/enhancement-proposals/pull/25)
 1. [Submitted] - [Add Languare Server Support to Jupyter Server and jupyterlab-monaco](https://github.com/jupyter/enhancement-proposals/pull/26)