Font color revert to 2.4 for readability

CMK-28640

Change-Id: I558bcffc3e8abb526ad92b57ad58f6ce1dd306be

Author: MakeilaLun

packages/cmk-frontend/src/themes/facelift/scss/_status.scss

@@ -411,7 +411,7 @@ td.perfometer {
     overflow: hidden;
     font-weight: $font-weight-bold;
     line-height: 22px;
-    color: $font-perfometer-color;
+    color: $font-color-light-bg;
     text-align: center;
     white-space: nowrap;
   }

packages/cmk-frontend/src/themes/facelift/scss/_variables.scss

@@ -41,7 +41,6 @@ $font-color-green: $success-dimmed-2;
 $font-color-orange: $color-orange-80;
 
 // perf-o-meter colors
-$font-perfometer-color: $color-conference-grey-100;
 $perfometer-border-color: $color-mid-grey-50;
 
 // breadcrumb font colors

packages/cmk-frontend/src/themes/modern-dark/scss/_variables.scss

@@ -42,7 +42,6 @@ $font-color-green: $success;
 $font-color-orange: $color-orange-50;
 
 // perf-o-meter colors
-$font-perfometer-color: $color-white-100;
 $perfometer-border-color: $color-mid-grey-60;
 
 // breadcrumb font colors