Remove process.env.VERSION check (#14531)

Fixes #14523

Author: thecrypticace

packages/tailwindcss/src/index.ts

@@ -395,7 +395,7 @@ export async function compile(
   })
 
   if (process.env.NODE_ENV !== 'test') {
-    ast.unshift(comment(`! tailwindcss v${getVersion()} | MIT License | https://tailwindcss.com `))
+    ast.unshift(comment(`! tailwindcss v${version} | MIT License | https://tailwindcss.com `))
   }
 
   // Track all invalid candidates
@@ -459,14 +459,6 @@ export async function __unstable__loadDesignSystem(css: string, opts: CompileOpt
   return result.designSystem
 }
 
-function getVersion() {
-  if (process.env.VERSION) {
-    return process.env.VERSION
-  } else {
-    return version
-  }
-}
-
 export default function postcssPluginWarning() {
   throw new Error(
     `It looks like you're trying to use \`tailwindcss\` directly as a PostCSS plugin. The PostCSS plugin has moved to a separate package, so to continue using Tailwind CSS with PostCSS you'll need to install \`@tailwindcss/postcss\` and update your PostCSS configuration.`,