Drop the settings.json that only repeats global defaults

All four plugins it enabled are enabled globally, and its allow list says
nothing under the global defaultMode: bypassPermissions.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

.claude/settings.json

@@ -1,14 +0,0 @@
-{
-  "permissions": {
-    "allow": [
-      "WebSearch",
-      "WebFetch"
-    ]
-  },
-  "enabledPlugins": {
-    "pyright-lsp@claude-plugins-official": true,
-    "context7@claude-plugins-official": true,
-    "code-simplifier@claude-plugins-official": true,
-    "claude-md-management@claude-plugins-official": true
-  }
-}