Migrate `gl-reset-color` to Tailwind

What does this MR do and why?

Migrate gl-reset-color to Tailwind

Migrates occurrences of gl-reset-color to its Tailwind equivalent gl-text-inherit.

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Group overview empty state

CSS-in-Js diff

diff --git a/config/helpers/tailwind/css_in_js.js b/config/helpers/tailwind/css_in_js.js
index 641691d4cc82..101345682e0d 100644
--- a/config/helpers/tailwind/css_in_js.js
+++ b/config/helpers/tailwind/css_in_js.js
@@ -1,5 +1,5 @@
 /**
- * The following 523 definitions need to be migrated to Tailwind.
+ * The following 522 definitions need to be migrated to Tailwind.
  * Let's do this! 🚀
  */
 module.exports = {
@@ -156,7 +156,6 @@ module.exports = {
     '&::after': { display: 'block !important', clear: 'both !important', content: '"" !important' },
   },
   '.reset-color': { color: 'inherit' },
-  '.reset-color\\!': { color: 'inherit !important' },
   '.text-white\\!': { color: 'var(--white, #fff) !important' },
   '.text-body': { color: 'var(--gl-text-primary, #333238)' },
   '.text-body\\!': { color: 'var(--gl-text-primary, #333238) !important' },

Note: .reset-color is still registered as it's being used in GitLab UI.

Related to #456618 (closed)