[refactor] Delete oddly named text.scss file

src/scss/left-nav.scss

@@ -22,6 +22,15 @@
   overflow-x: hidden;
   overflow-y: auto;
   height: 100%;
+
+  .filter {
+    hr {
+      margin: 1em 0 1em 0;
+      @include themify($themes) {
+        border-color: themed("hrColor");
+      }
+    }
+  }
 }
 
 .filter-heading {

src/scss/styles.scss

@@ -15,6 +15,5 @@
 @import "environment.scss";
 @import "header.scss";
 @import "left-nav.scss";
-@import "text.scss";
 @import "loading.scss";
 @import "../../jslib/angular/src/scss/icons.scss";

src/scss/text.scss

@@ -1,6 +0,0 @@
-hr {
-  margin: 1em 0 1em 0;
-  @include themify($themes) {
-    border-color: themed("hrColor");
-  }
-}