Yggdrasil account requries email to be username

HMCL/src/main/resources/assets/lang/I18N.properties

@@ -362,17 +362,11 @@ color.dark_blue=Dark Blue
 color.purple=Purple
 
 wizard.next_>=Next >
-wizard.next_mnemonic=N
 wizard.<_prev=< Prev
-wizard.prev_mnemonic=P
 wizard.finish=Finish
-wizard.finish_mnemonic=F
 wizard.cancel=Cancel
-wizard.cancel_mnemonic=C
 wizard.help=Help
-wizard.help_mnemonic=H
 wizard.close=Close
-wizard.close_mnemonic=C
 wizard.summary=Summary
 wizard.failed=Failed
 wizard.steps=Steps

HMCL/src/main/resources/assets/lang/I18N_zh_CN.properties

@@ -362,17 +362,11 @@ color.dark_blue=深蓝色
 color.purple=紫色
 
 wizard.next_>=下一步 >
-wizard.next_mnemonic=下
 wizard.<_prev=< 上一步
-wizard.prev_mnemonic=上
 wizard.finish=完成
-wizard.finish_mnemonic=完
 wizard.cancel=取消
-wizard.cancel_mnemonic=取
 wizard.help=帮助
-wizard.help_mnemonic=帮
 wizard.close=关闭
-wizard.close_mnemonic=关
 wizard.summary=概要
 wizard.failed=失败
 wizard.steps=步骤