tpl/tplimpl: Remove superfluous type attr on script elements

Closes #6379

tpl/tplimpl/embedded/templates/disqus.html

@@ -1,7 +1,7 @@
 {{- $pc := .Site.Config.Privacy.Disqus -}}
 {{- if not $pc.Disable -}}
 {{ if .Site.Config.Services.Disqus.Shortname }}<div id="disqus_thread"></div>
-<script type="application/javascript">
+<script>
     window.disqus_config = function () {
     {{with .Params.disqus_identifier }}this.page.identifier = '{{ . }}';{{end}}
     {{with .Params.disqus_title }}this.page.title = '{{ . }}';{{end}}

tpl/tplimpl/embedded/templates/google_analytics.html

@@ -12,7 +12,7 @@ if (!doNotTrack) {
 }
 </script>
 {{ else if hasPrefix . "UA-" }}
-<script type="application/javascript">
+<script>
 {{ template "__ga_js_set_doNotTrack" $ }}
 if (!doNotTrack) {
 	(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){

tpl/tplimpl/embedded/templates/google_analytics_async.html

@@ -2,7 +2,7 @@
 {{- $pc := .Site.Config.Privacy.GoogleAnalytics -}}
 {{- if not $pc.Disable -}}
 {{ with .Site.Config.Services.GoogleAnalytics.ID }}
-<script type="application/javascript">
+<script>
 {{ template "__ga_js_set_doNotTrack" $ }}
 if (!doNotTrack) {
 	window.ga=window.ga||function(){(ga.q=ga.q||[]).push(arguments)};ga.l=+new Date;

tpl/tplimpl/embedded/templates/shortcodes/gist.html

@@ -1 +1 @@
-<script type="application/javascript" src="https://gist.github.com/{{ index .Params 0 }}/{{ index .Params 1 }}.js{{if len .Params | eq 3 }}?file={{ index .Params 2 }}{{end}}"></script>
+<script src="https://gist.github.com/{{ index .Params 0 }}/{{ index .Params 1 }}.js{{if len .Params | eq 3 }}?file={{ index .Params 2 }}{{end}}"></script>