static/doc: less repetative deprecation UI

Fixes golang/go#48678

Change-Id: I9864e1a7bfdb71999480774d68c926a1b559e451
Reviewed-on: https://go-review.googlesource.com/c/pkgsite/+/355189
Trust: Jamal Carvalho <jamal@golang.org>
Run-TryBot: Jamal Carvalho <jamal@golang.org>
TryBot-Result: kokoro <noreply+kokoro@google.com>
Reviewed-by: Julie Qiu <julie@golang.org>

internal/godoc/dochtml/testdata/deprecated-on.golden

@@ -82,10 +82,6 @@ func <a class="Documentation-source" href="src">BadF</a>
 </h4>
 </summary>
 <div class="go-Message go-Message--warning Documentation-deprecatedItemBody">
-<div class="Documentation-deprecatedMessage">
-<img class="go-Icon" height="24" width="24" src="/static/shared/icon/alert_gm_grey_24dp.svg" alt="">
-This function has been deprecated.
-</div>
 <div class="Documentation-declaration">
 <pre>func BadF()</pre>
 </div>
@@ -119,10 +115,6 @@ type <a class="Documentation-source" href="src">BadT</a>
 </h4>
 </summary>
 <div class="go-Message go-Message--warning Documentation-deprecatedItemBody">
-<div class="Documentation-deprecatedMessage">
-<img class="go-Icon" height="24" width="24" src="/static/shared/icon/alert_gm_grey_24dp.svg" alt="">
-This type has been deprecated.
-</div>
 <div class="Documentation-declaration">
 <pre>type BadT <a href="/builtin#int">int</a></pre>
 </div>
@@ -144,10 +136,6 @@ func <a class="Documentation-source" href="src">NewBadTBad</a>
 </h4>
 </summary>
 <div class="go-Message go-Message--warning Documentation-deprecatedItemBody">
-<div class="Documentation-deprecatedMessage">
-<img class="go-Icon" height="24" width="24" src="/static/shared/icon/alert_gm_grey_24dp.svg" alt="">
-This function has been deprecated.
-</div>
 <div class="Documentation-declaration">
 <pre>func NewBadTBad() <a href="#BadT">BadT</a></pre>
 </div>
@@ -178,10 +166,6 @@ func (BadT) <a class="Documentation-source" href="src">BadM</a>
 </h4>
 </summary>
 <div class="go-Message go-Message--warning Documentation-deprecatedItemBody">
-<div class="Documentation-deprecatedMessage">
-<img class="go-Icon" height="24" width="24" src="/static/shared/icon/alert_gm_grey_24dp.svg" alt="">
-This method has been deprecated.
-</div>
 <div class="Documentation-declaration">
 <pre>func (<a href="#BadT">BadT</a>) BadM()</pre>
 </div>
@@ -224,10 +208,6 @@ func <a class="Documentation-source" href="src">NewGoodTBad</a>
 </h4>
 </summary>
 <div class="go-Message go-Message--warning Documentation-deprecatedItemBody">
-<div class="Documentation-deprecatedMessage">
-<img class="go-Icon" height="24" width="24" src="/static/shared/icon/alert_gm_grey_24dp.svg" alt="">
-This function has been deprecated.
-</div>
 <div class="Documentation-declaration">
 <pre>func NewGoodTBad() <a href="#GoodT">GoodT</a></pre>
 </div>
@@ -259,10 +239,6 @@ func (GoodT) <a class="Documentation-source" href="src">BadM</a>
 </h4>
 </summary>
 <div class="go-Message go-Message--warning Documentation-deprecatedItemBody">
-<div class="Documentation-deprecatedMessage">
-<img class="go-Icon" height="24" width="24" src="/static/shared/icon/alert_gm_grey_24dp.svg" alt="">
-This method has been deprecated.
-</div>
 <div class="Documentation-declaration">
 <pre>func (<a href="#GoodT">GoodT</a>) BadM()</pre>
 </div>

static/doc/body.tmpl

@@ -152,10 +152,6 @@
         </h4>{{"\n"}}
       </summary>
       <div class="go-Message go-Message--warning Documentation-deprecatedItemBody">
-        <div class="Documentation-deprecatedMessage">
-          <img class="go-Icon" height="24" width="24" src="/static/shared/icon/alert_gm_grey_24dp.svg" alt="">
-          This {{.Kind}} has been deprecated.
-        </div>
         {{template "item_body" .}}
       </div>
     </details>