Revert "add a gulp task to run npm install & jspm install"
Revert "add a gulp task to run npm install & jspm install"

This reverts commit b4581611c84ee5d728a3f48dd2b5985c218505ae.

urbec/sks-web,paulvanbladel/es6-jspm-gulp-boilerplate,vadimpopa/es6-jspm-gulp-boilerplate,christianharke/es6-jspm-gulp-boilerplate,fauxnoir/particles,alexweber/es6-jspm-gulp-boilerplate,fauxnoir/particles,fauxnoir/portfolio-2016,paulvanbladel/es6-jspm-gulp-boilerplate,vadimpopa/es6-jspm-gulp-boilerplate,alexweber/es6-jspm-gulp-boilerplate,fauxnoir/portfolio-2016,urbec/sks-web,christianharke/es6-jspm-gulp-boilerplate