fix(module:*): remove unnecessary reference imports (#9653)

Author: Laffery

components/drawer/style/animation.less

@@ -1,4 +1,4 @@
-@import (reference) '../../style/core/motion/fade';
+@import '../../style/core/motion/fade';
 @import (reference) '../../style/themes/index';
 
 .fade-motion('drawer-mask', @ease-in-out, @animation-duration-slow);

components/float-button/style/animation.less

@@ -1,6 +1,6 @@
 /* stylelint-disable less/no-duplicate-variables */
 @import '../../style/themes/index';
-@import (reference) '../../style/core/motion/fade';
+@import '../../style/core/motion/fade';
 
 @float-btn-prefix-cls: ~'@{ant-prefix}-float-btn';
 @animation-duration: @animation-duration-slow;

components/image/style/animation.less

@@ -1,4 +1,4 @@
 @import '../../style/themes/index';
-@import (reference) '../../style/core/motion/fade';
+@import '../../style/core/motion/fade';
 
 .fade-motion('image-preview-fade', linear);

components/message/style/animation.less

@@ -1,6 +1,6 @@
 @import '../../style/themes/index';
 @import '../../style/mixins/index';
-@import (reference) '../../style/core/motion/util';
+@import '../../style/core/motion/util';
 
 @message-prefix-cls: ~'@{ant-prefix}-message';
 

components/modal/style/index.less

@@ -1,6 +1,6 @@
 @import '../../style/themes/index';
 @import '../../style/mixins/index';
-@import (reference) '../../style/core/motion/zoom';
+@import '../../style/core/motion/zoom';
 @import './modal';
 @import './confirm';
 @import './rtl';

components/popover/style/index.less

@@ -1,6 +1,6 @@
 @import '../../style/themes/index';
 @import '../../style/mixins/index';
-@import (reference) '../../style/core/motion/zoom';
+@import '../../style/core/motion/zoom';
 
 @popover-prefix-cls: ~'@{ant-prefix}-popover';
 

components/style/core/motion/fade.less

@@ -1,5 +1,5 @@
 @import (reference) '../../themes/index';
-@import (reference) './util';
+@import './util';
 
 .fade-motion(@className, @timing-function, @duration: @animation-duration-base) {
   @name: ~'@{ant-prefix}-@{className}-motion';

components/tooltip/style/index.less

@@ -1,6 +1,6 @@
 @import '../../style/themes/index';
 @import '../../style/mixins/index';
-@import (reference) '../../style/core/motion/zoom';
+@import '../../style/core/motion/zoom';
 
 @tooltip-prefix-cls: ~'@{ant-prefix}-tooltip';