[Error Pages] Remove unused strings from components

components/error_page_strings.grdp

Index: components/error_page_strings.grdp
diff --git a/components/error_page_strings.grdp b/components/error_page_strings.grdp
index 89f9593f81d5f79e9f5874a18c1987d06e674d28..7f1e15d06726b7b5798106ea648d5f40e7de5569 100644
--- a/components/error_page_strings.grdp
+++ b/components/error_page_strings.grdp
@@ -7,12 +7,6 @@
   <message name="IDS_ERRORPAGE_NET_BUTTON_HIDE_DETAILS" desc="Label for the button that hides the details on a net error page">
     Hide details
   </message>
-  <message name="IDS_ERRORPAGES_BUTTON_MORE" desc="Label for the button that expands the details on an error page">
-    More
-  </message>
-  <message name="IDS_ERRORPAGES_BUTTON_LESS" desc="Label for the button that hides the details on an error page">
-    Less
-  </message>
   <message name="IDS_ERRORPAGES_BUTTON_RELOAD" desc="Label for the button on an error page to reload the page">
     Reload
   </message>
@@ -33,11 +27,6 @@
     The owner of this device turned off the dinosaur game.
   </message>
   <if expr="is_android">
-    <message name="IDS_ERRORPAGES_BUTTON_SETTINGS" desc="Mobile: Label for the button on an error page to launch system settings menu">
-      Settings
-    </message>
-  </if>
-  <if expr="is_android">
     <message name="IDS_ERRORPAGES_BUTTON_DOWNLOAD" desc="Label for the button on an error page to download the failed-to-load page at a later time">
       Download page later
     </message>
@@ -137,12 +126,6 @@
   <message name="IDS_ERRORPAGES_HEADING_FILE_NOT_FOUND" desc="Heading in the error page when the local file was not found.">
     Your file was not found
   </message>
-  <message name="IDS_ERRORPAGES_HEADING_TOO_MANY_REDIRECTS" desc="Heading in the error page when there are too many URL redirects.">
-    This webpage has a redirect loop
-  </message>
-  <message name="IDS_ERRORPAGES_HEADING_EMPTY_RESPONSE" desc="Heading in the error page when no data is received.">
-    No data received
-  </message>
   <message name="IDS_ERRORPAGES_HEADING_BLOCKED" desc="Heading of the error page when a request is blocked by the administrator policy, extension or the browser itself.">
     <ph name="HOST_NAME">&lt;span jscontent="hostName"&gt;&lt;/span&gt;<ex>www.example.com</ex></ph> is blocked
   </message>
@@ -243,10 +226,6 @@
     <ph name="HOST_NAME">&lt;strong jscontent="hostName"&gt;&lt;/strong&gt;<ex>www.whatever.com</ex></ph> is currently unable to handle this request.
   </message>
 
-  <message name="IDS_ERRORPAGES_SUMMARY_SERVICE_UNAVAILABLE" desc="Summary in the error page when the server returns a 503.">
-    The webpage at <ph name="URL">&lt;strong jscontent="failedUrl"&gt;&lt;/strong&gt;</ph> is currently unavailable.  It may be overloaded or down for maintenance.
-  </message>
-
   <message name="IDS_ERRORPAGES_SUMMARY_GATEWAY_TIMEOUT" desc="Summary in the error page when the server returns a 504.">
     <ph name="HOST_NAME">&lt;strong jscontent="hostName"&gt;&lt;/strong&gt;<ex>www.whatever.com</ex></ph> took too long to respond.
   </message>
@@ -259,9 +238,6 @@
     <ph name="HOST_NAME">&lt;strong jscontent="hostName"&gt;&lt;/strong&gt;<ex>www.whatever.com</ex></ph> uses an unsupported protocol.
   </message>
 
-  <message name="IDS_ERRORPAGES_SUMMARY_PINNING_FAILURE_DETAILS" desc="Summary of the error page for a certificate which doesn't match the built-in pins for that name">
-    The server certificate at <ph name="HOST_NAME">&lt;strong jscontent="hostName"&gt;&lt;/strong&gt;<ex>www.whatever.com</ex></ph> appears to be a forgery.
-  </message>
   <message name="IDS_ERRORPAGES_HEADING_INSECURE_CONNECTION" desc="Heading in the error page for insecure connections.">
     This site can’t provide a secure connection
   </message>