style: remove useless styles (#3854)

Author: Ricbet

packages/design/src/browser/style/global.less

@@ -205,13 +205,11 @@ html {
 }
 
 // 对话框
-.kt-modal-content,
-.ant-modal-content {
+.kt-modal-content {
   border-radius: 8px;
   background-color: transparent;
 }
-.kt-overlay .kt-modal-body,
-.ant-modal-body {
+.kt-overlay .kt-modal-body {
   border-radius: 8px;
   border: 0 none !important;
   box-shadow: 0px 9px 28px 8px var(--design-boxShadow-primary), 0px 3px 6px -4px var(--design-boxShadow-secondary),
@@ -239,8 +237,7 @@ html {
 }
 
 .default-button-size,
-.kt-button,
-.ant-btn {
+.kt-button {
   border-radius: 4px;
 }
 
@@ -261,10 +258,6 @@ html {
   transform: none;
 }
 
-.ant-select:not(.ant-select-customize-input) .ant-select-selector {
-  border-radius: 6px;
-}
-
 #opensumi-quickpick {
   border: 0 none !important;
   box-shadow: 0px 9px 28px 8px var(--design-boxShadow-primary), 0px 3px 6px -4px var(--design-boxShadow-secondary),