update readme file

Author: spnraju

README.md

@@ -1,5 +1,4 @@
-# vscode-nightwatchjs-snippets
-NightwatchJS code snippets for Visual Studio Code
+# NightwatchJS code snippets for Visual Studio Code
 
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 [![Installs](https://vsmarketplacebadge.apphb.com/installs/Raju.vscode-nightwatchjs-snippets.svg)](https://marketplace.visualstudio.com/items?itemName=Raju.vscode-nightwatchjs-snippets)