删除无用的样式补丁

Former-commit-id: 8eabc349dfa7650846e663fbb17a022b9f1bb041

src/assets/style/fixed/markdown.scss

@@ -1,10 +0,0 @@
-// markdown 样式补丁
-
-.markdown-body {
-  ul {
-    list-style: disc;
-  }
-  h1, h2 {
-    border-bottom: none;
-  }
-}

src/assets/style/fixed/tree-view.scss

@@ -1,5 +0,0 @@
-.tree-view-wrapper.tree-view-small {
-  .tree-view-item {
-    font-size: 10px;
-  }
-}

src/assets/style/fixed/vue-grid-layout.scss

@@ -1,10 +0,0 @@
-// vue-splitpane 样式补丁
-
-.vue-grid-item {
-  &.vue-grid-placeholder {
-    border: 1px solid $color-border-1;
-    background-color: rgba(#FFF, .3);
-    opacity: 1;
-    border-radius: 4px;
-  }
-}

src/assets/style/fixed/vue-splitpane.scss

@@ -1,8 +0,0 @@
-// vue-splitpane 样式补丁
-
-@import '~@/assets/style/unit/color.scss';
-
-.splitter-pane-resizer {
-  background-color: $color-border-1 !important;
-  opacity: 1 !important;
-}

src/assets/style/public-class.scss

@@ -4,16 +4,8 @@
 @import '~@/assets/style/fixed/base.scss';
 // 补丁 element
 @import '~@/assets/style/fixed/element.scss';
-// 补丁 markdown
-@import '~@/assets/style/fixed/markdown.scss';
 // 补丁 n-progress
 @import '~@/assets/style/fixed/n-progress.scss';
-// 补丁 vue-splitpane
-@import '~@/assets/style/fixed/vue-splitpane.scss';
-// 补丁 vue-grid-layout
-@import '~@/assets/style/fixed/vue-grid-layout.scss';
-// 补丁 tree-view
-@import '~@/assets/style/fixed/tree-view.scss';
 
 // 动画
 @import '~@/assets/style/animate/vue-transition.scss';