Remove GOVUK Template files

Includes Sass that targeted GOV.UK Template HTML
and also moves some link styles to `globals.scss`.

Also removes bits of frontend build that copied
over GOVUK Template files.

gulpfile.js

@@ -27,7 +27,6 @@ const paths = {
   dist: 'app/static/',
   templates: 'app/templates/',
   npm: 'node_modules/',
-  template: 'node_modules/govuk_template_jinja/',
   toolkit: 'node_modules/govuk_frontend_toolkit/',
   govuk_frontend: 'node_modules/govuk-frontend/'
 };
@@ -38,39 +37,9 @@ const paths = {
 // Move GOV.UK template resources
 
 const copy = {
-  govuk_template: {
-    template: () => {
-      return src(paths.template + 'views/layouts/govuk_template.html')
-       .pipe(dest(paths.templates));
-    },
-    css: () => {
-      return src(paths.template + 'assets/stylesheets/**/*.css')
-        .pipe(plugins.sass({
-          outputStyle: 'compressed'
-        }))
-        .on('error', plugins.sass.logError)
-        .pipe(plugins.cssUrlAdjuster({
-          prependRelative: process.env.NOTIFY_ENVIRONMENT == 'development' ? '/static/' : '/',
-        }))
-        .pipe(dest(paths.dist + 'stylesheets/'));
-    },
-    js: () => {
-      return src(paths.template + 'assets/javascripts/**/*.js')
-        .pipe(plugins.uglify())
-        .pipe(dest(paths.dist + 'javascripts/'));
-    },
-    images: () => {
-      return src(paths.template + 'assets/stylesheets/images/**/*')
-        .pipe(dest(paths.dist + 'images/'));
-    },
-    fonts: () => {
-      return src(paths.template + 'assets/stylesheets/fonts/**/*')
-        .pipe(dest(paths.dist + 'fonts/'));
-    },
-    error_page: () => {
-      return src(paths.src + 'error_pages/**/*')
-        .pipe(dest(paths.dist + 'error_pages/'))
-    }
+  error_pages: () => {
+    return src(paths.src + 'error_pages/**/*')
+      .pipe(dest(paths.dist + 'error_pages/'))
   },
   govuk_frontend: {
     fonts: () => {
@@ -199,16 +168,11 @@ const lint = {
 // Default: compile everything
 const defaultTask = parallel(
   series(
-    copy.govuk_template.template,
-    copy.govuk_template.images,
-    copy.govuk_template.fonts,
-    copy.govuk_template.css,
-    copy.govuk_template.js,
     copy.govuk_frontend.fonts,
     images
   ),
   series(
-    copy.govuk_template.error_page,
+    copy.error_pages,
     javascripts,
     sass
   )