Removed license shield from readme (#500)

Author: shweaver-MSFT

readme.md

@@ -2,7 +2,7 @@
 
 <img align="left" height="150" src="https://github.com/microsoftgraph/microsoft-graph-toolkit/raw/master/assets/graff.png" title="Graff the Giraffe">
 
-[![NPM](https://img.shields.io/npm/v/@microsoft/mgt.svg)](https://www.npmjs.com/package/@microsoft/mgt) [![Licence](https://img.shields.io/github/license/microsoftgraph/microsoft-graph-toolkit.svg)](https://github.com/microsoftgraph/microsoft-graph-toolkit) [![code style: prettier](https://img.shields.io/badge/code_style-prettier-ff69b4.svg)](https://github.com/microsoftgraph/msgraph-sdk-javascript) [![stackoverflow](https://img.shields.io/stackexchange/stackoverflow/t/microsoft-graph-toolkit.svg)](https://stackoverflow.com/questions/tagged/microsoft-graph-toolkit)
+[![NPM](https://img.shields.io/npm/v/@microsoft/mgt.svg)](https://www.npmjs.com/package/@microsoft/mgt) [![code style: prettier](https://img.shields.io/badge/code_style-prettier-ff69b4.svg)](https://github.com/microsoftgraph/msgraph-sdk-javascript) [![stackoverflow](https://img.shields.io/stackexchange/stackoverflow/t/microsoft-graph-toolkit.svg)](https://stackoverflow.com/questions/tagged/microsoft-graph-toolkit)
 [![Build Status](https://dev.azure.com/microsoft-graph-toolkit/microsoft-graph-toolkit/_apis/build/status/microsoftgraph.microsoft-graph-toolkit?branchName=master)](https://dev.azure.com/microsoft-graph-toolkit/microsoft-graph-toolkit/_build/latest?definitionId=1&branchName=master) [![Published on webcomponents.org](https://img.shields.io/badge/webcomponents.org-published-blue.svg)](https://www.webcomponents.org/element/@microsoft/mgt) [![Storybook](https://raw.githubusercontent.com/storybooks/brand/master/badge/badge-storybook.svg?sanitize=true)](https://mgt.dev)
 
 The Microsoft Graph Toolkit is a collection of web components powered by the Microsoft Graph.