client: 検索構文でGoogle明示 & deprecated

locales/ja-JP.yml

@@ -832,6 +832,7 @@ auto: "自動"
 themeColor: "テーマカラー"
 size: "サイズ"
 numberOfColumn: "列の数"
+searchByGoogle: "ググる"
 
 _emailUnavailable:
   used: "既に使用されています"

packages/client/src/components/google.vue

 <template>
 <div class="mk-google">
 	<input v-model="query" type="search" :placeholder="q">
-	<button @click="search"><i class="fas fa-search"></i> {{ $ts.search }}</button>
+	<button @click="search"><i class="fas fa-search"></i> {{ $ts.searchByGoogle }}</button>
 </div>
 </template>
 

packages/client/src/pages/mfm-cheat-sheet.vue

@@ -121,6 +121,7 @@
 			</div>
 		</div>
 	</div>
+	<!-- deprecated
 	<div class="section _block">
 		<div class="title">{{ $ts._mfm.search }}</div>
 		<div class="content">
@@ -131,6 +132,7 @@
 			</div>
 		</div>
 	</div>
+	-->
 	<div class="section _block">
 		<div class="title">{{ $ts._mfm.flip }}</div>
 		<div class="content">