docs: fix bundle SRI hash.

Also, remove popper.js from this script since it's not present in the repo.

_config.yml

@@ -53,6 +53,8 @@ cdn:
   css_hash:         "sha384-MCw98/SFnGE8fJT3GXwEOngsV7Zt27NXFoaoApmYm81iuXoPkFOJwJ8ERdknLPMO"
   js:               "https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/js/bootstrap.min.js"
   js_hash:          "sha384-ChfqqxuZUCnJSK3+MXmPNIyE6ZbWh2IMqE241rYiqJxyMiZ6OW/JmZQ5stwEULTy"
+  js_bundle:        "https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/js/bootstrap.bundle.min.js"
+  js_bundle_hash:   "sha384-ChfqqxuZUCnJSK3+MXmPNIyE6ZbWh2IMqE241rYiqJxyMiZ6OW/JmZQ5stwEULTy"
   jquery:           "https://code.jquery.com/jquery-3.3.1.slim.min.js"
   jquery_hash:      "sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo"
   popper:           "https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.3/umd/popper.min.js"

build/generate-sri.js

@@ -36,8 +36,8 @@ const files = [
     configPropertyName: 'jquery_hash'
   },
   {
-    file: 'site/docs/4.1/assets/js/vendor/popper.min.js',
-    configPropertyName: 'popper_hash'
+    file: 'dist/js/bootstrap.bundle.min.js',
+    configPropertyName: 'js_bundle_hash'
   }
 ]
 

site/_includes/scripts.html

@@ -2,7 +2,7 @@
 <script>window.jQuery || document.write('<script src="{{ site.baseurl }}/assets/js/vendor/jquery-slim.min.js"><\/script>')</script>
 
 {%- if site.github -%}
-  <script src="{{ site.baseurl }}/docs/{{ site.docs_version }}/dist/js/bootstrap.bundle.min.js" integrity="{{ site.cdn.js_hash }}" crossorigin="anonymous"></script>
+  <script src="{{ site.baseurl }}/docs/{{ site.docs_version }}/dist/js/bootstrap.bundle.min.js" integrity="{{ site.cdn.js_bundle_hash }}" crossorigin="anonymous"></script>
 {%- else -%}
   <script src="{{ site.baseurl }}/docs/{{ site.docs_version }}/dist/js/bootstrap.bundle.js"></script>
 {%- endif -%}