[remove] : Removed alteriso-3-mainline branch

Author: Hayao0819

docs/README.md

@@ -114,9 +114,6 @@ These are a list of major branches. Other branches are temporary or used for spe
             <th>
                 <a href="https://github.com/FascodeNet/alterlinux/tree/dev">dev</a>
             </th>
-            <th>
-                <a href="https://github.com/FascodeNet/alterlinux/tree/alteriso-3-mainline">alteriso-3-mainline</a>
-            </th>
         </tr>
     </thead>
     <tbody>
@@ -133,9 +130,6 @@ These are a list of major branches. Other branches are temporary or used for spe
             <td>
                 Always updated. There may be many issues left.
             </td>
-            <td>
-                Next-generation AlterISO and new desktop environment are being developed.
-            </td>
         </tr>
     </tbody>
 </table>

docs/README_jp.md

@@ -113,9 +113,6 @@ Alter Linuxの最新の開発状況は<a href="https://github.com/orgs/FascodeNe
 			<th>
 				<a href="https://github.com/FascodeNet/alterlinux/tree/dev">dev</a>
 			</th>
-			<th>
-				<a href="https://github.com/FascodeNet/alterlinux/tree/alteriso-3-mainline">alteriso-3-mainline</a>
-			</th>
 		</tr>
 	</thead>
 	<tbody>
@@ -132,9 +129,6 @@ Alter Linuxの最新の開発状況は<a href="https://github.com/orgs/FascodeNe
 			<td>
 				常に更新されます。問題が多数残っている場合があります。
 			</td>
-			<td>
-				次世代のAlterISOや新しいデスクトップ環境の開発が行われています。
-			</td>
 		</tr>
 	</tbody>
 </table>