build(dts): rm redundant triple slashes

scripts/build-dts.mjs

@@ -16,6 +16,7 @@
 
 import fs from 'fs/promises'
 import { generateDtsBundle } from 'dts-bundle-generator'
+import glob from 'fast-glob'
 
 const entry = {
   filePath: './src/vendor.ts',
@@ -72,4 +73,15 @@ result = result
 
 await fs.writeFile(entry.outFile, result, 'utf8')
 
+// Replaces redundant triple-slash directives
+for (const dts of await glob(['build/**/*.d.ts', '!build/vendor.d.ts'])) {
+  const contents =
+    (await fs.readFile(dts, 'utf8'))
+      .split('\n')
+      .filter(line => !line.startsWith('/// <reference types'))
+      .join('\n')
+
+  await fs.writeFile(dts, contents, 'utf8')
+}
+
 process.exit(0)