pw_ide: Remove clangd auto-restart

This setting probably has no effect on clangd >=12, and anyway we
restart clangd on pw_ide commands.

Change-Id: I296fd6e6592b29256d1e7a4ad652c72aba67c7f7
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/171691
Commit-Queue: Chad Norvell <chadnorvell@google.com>
Reviewed-by: Anthony DiGirolamo <tonymd@google.com>
Presubmit-Verified: CQ Bot Account <pigweed-scoped@luci-project-accounts.iam.gserviceaccount.com>
diff --git a/pw_ide/py/pw_ide/vscode.py b/pw_ide/py/pw_ide/vscode.py
index 39bfc6d..683d4c1 100644
--- a/pw_ide/py/pw_ide/vscode.py
+++ b/pw_ide/py/pw_ide/vscode.py
@@ -180,7 +180,6 @@
         "gulp.autoDetect": "off",
         "jake.autoDetect": "off",
         "npm.autoDetect": "off",
-        "clangd.onConfigChanged": "restart",
         "C_Cpp.intelliSenseEngine": "Disabled",
         "[cpp]": OrderedDict(
             {"editor.defaultFormatter": "llvm-vs-code-extensions.vscode-clangd"}