Remove rollup-preserve-directives

Fixes #708.
Since  rollup-preserve-directives was a workaround for a bug, and the
 bug has been addressed, it can be removed now.

Author: Arnei

package-lock.json

@@ -73,7 +73,6 @@
     "eslint": "^8.57.0",
     "eslint-config-react-app": "^7.0.1",
     "prop-types": "^15.8.1",
-    "rollup-preserve-directives": "^1.1.3",
     "sass": "^1.85.1",
     "typescript": "^5.8.2",
     "uuid": "^11.1.0",

package.json

@@ -2,14 +2,13 @@ import { defineConfig } from "vite";
 import react from "@vitejs/plugin-react-swc";
 import svgr from "vite-plugin-svgr";
 import viteTsconfigPaths from "vite-tsconfig-paths";
-import preserveDirectives from "rollup-preserve-directives";
 import child from "child_process";
 
 const commitHash = child.execSync("git rev-parse HEAD || cat commit || echo 'unknown'").toString().trim();
 
 export default defineConfig({
     base: process.env.PUBLIC_URL || "",
-    plugins: [react(), svgr(), viteTsconfigPaths(), preserveDirectives()],
+    plugins: [react(), svgr(), viteTsconfigPaths()],
     define: {
         'import.meta.env.VITE_GIT_COMMIT_HASH': JSON.stringify(commitHash),
         'import.meta.env.VITE_APP_BUILD_DATE': JSON.stringify(new Date().toISOString()),