Bugfix FXIOS-6526 [v114] Update search urls (#3766) (#3767)

(cherry picked from commit 90f3c2a)

Co-authored-by: Mark Banner <[email protected]>

Author: mergify[bot]

Search/SearchOverlays/baidu.xml

@@ -1,10 +1,8 @@
 <SearchOverlay>
   <replace target="//search:Param[@name='from' and @value='1000969a']">
-    <Param name="from" value="1000969b"/>
   </replace>
   <replace target="//search:Url[@type='application/x-moz-tabletsearch']">
     <Url type="application/x-moz-tabletsearch" method="GET" template="https://m.baidu.com/s">
-      <Param name="from" value="1000969b"/>
       <Param name="word" value="{searchTerms}"/>
     </Url>
   </replace>

Search/SearchPlugins/zh-CN/baidu.xml

@@ -6,18 +6,15 @@
         <Param name="wd" value="{searchTerms}"/>
         <Param name="action" value="opensearch"/>
         <Param name="ie" value="UTF-8"/>
-        <Param name="from" value="1000969b"/>
     </Url>
     <Url type="text/html" method="GET" template="https://m.baidu.com/s">
-        <Param name="from" value="1000969b"/>
         <Param name="word" value="{searchTerms}"/>
     </Url>
     <!-- As of Bug 861164, we can do a client-side detection to determine whether a user is using
          tablet or a phone(relative to this case).
          Note: The order of <URL> DOES not affect the way we pick between them.
     -->
     <Url type="application/x-moz-tabletsearch" method="GET" template="https://m.baidu.com/s">
-      <Param name="from" value="1000969b"/>
       <Param name="word" value="{searchTerms}"/>
     </Url>
     <SearchForm>https://m.baidu.com/</SearchForm>