remove dead parseJSONC code

tui.tsx

@@ -49,70 +49,6 @@ function estimateStreamTokens(delta: string) {
   return Math.max(1, Math.ceil(Buffer.byteLength(delta, "utf8") / 5))
 }
 
-function parseJSONC(text: string): unknown {
-  let result = ""
-  let inString = false
-  let escape = false
-  let i = 0
-
-  while (i < text.length) {
-    const ch = text[i]
-
-    if (escape) {
-      result += ch
-      escape = false
-      i++
-      continue
-    }
-
-    if (ch === "\\") {
-      result += ch
-      escape = true
-      i++
-      continue
-    }
-
-    if (ch === '"') {
-      result += ch
-      inString = !inString
-      i++
-      continue
-    }
-
-    if (inString) {
-      result += ch
-      i++
-      continue
-    }
-
-    if (ch === "/" && text[i + 1] === "/") {
-      while (i < text.length && text[i] !== "\n") i++
-      continue
-    }
-
-    if (ch === "/" && text[i + 1] === "*") {
-      i += 2
-      while (i < text.length - 1 && !(text[i] === "*" && text[i + 1] === "/")) i++
-      i += 2
-      result += " "
-      continue
-    }
-
-    if (ch === ",") {
-      const next = text.indexOf(/[\s}\]]/, i + 1)
-      if (next !== -1 && /[\s}\]]/.test(text[next])) {
-        i++
-        continue
-      }
-    }
-
-    result += ch
-    i++
-  }
-
-  return JSON.parse(result)
-}
-
 function stripBaseUrlPath(baseURL: string): string {
   try {
     const url = new URL(baseURL)
@@ -154,13 +90,10 @@ function extractProviderUrls(config: unknown): string[] {
 
 async function loadConfigUrls(api: Parameters<TuiPlugin>[0]): Promise<string[]> {
   try {
-    const configPath = api.state.path.config
-    const resp = await fetch(`file://${configPath}`)
-    if (!resp.ok) return []
-    const text = await resp.text()
-    const config = parseJSONC(text)
-    return extractProviderUrls(config)
-  } catch {
+    debug(`loadConfigUrls: tuiConfig.provider=${JSON.stringify(Object.keys(api.tuiConfig.provider || {}))}`)
+    return extractProviderUrls(api.tuiConfig as unknown)
+  } catch (e) {
+    debug(`loadConfigUrls error: ${e}`)
     return []
   }
 }