Merge pull request #461 from dxc-technology/fix-themeservice

removing repeated line on installation guidelines

Author: mawelCaballero

projects/dxc-ngx-cdk-site/src/app/components/examples/overview/overview-install/overview-install-npm.properties

@@ -7,6 +7,4 @@ ng new <name-app>
 
 // Add these dependencies to the projects
 
-npm install @dxc-technology/halstack-angular
-
 npm install @dxc-technology/halstack-angular @angular/material@10.2.5 @angular/material-moment-adapter@10.2.5 @angular/cdk@10.2.5 rxjs@6.5.2 typescript@3.9.5