fix: remove stale code re-introduced during rebase

Remove syncPlanModeTools(), getExperimentalZedIntegration(), and all
zedIntegration references that were re-introduced by conflict resolution
but had already been deleted on main. Fix stale doc path in package.json
lint-staged config.

docs/reference/configuration.md

@@ -963,109 +963,6 @@ features, see the
   - **Description:** Configuration for the bug report command.
   - **Default:** `undefined`
 
-#### `experimental`
-
-- **`experimental.toolOutputMasking.enabled`** (boolean):
-  - **Description:** Enables tool output masking to save tokens.
-  - **Default:** `true`
-  - **Requires restart:** Yes
-
-- **`experimental.toolOutputMasking.toolProtectionThreshold`** (number):
-  - **Description:** Minimum number of tokens to protect from masking (most
-    recent tool outputs).
-  - **Default:** `50000`
-  - **Requires restart:** Yes
-
-- **`experimental.toolOutputMasking.minPrunableTokensThreshold`** (number):
-  - **Description:** Minimum prunable tokens required to trigger a masking pass.
-  - **Default:** `30000`
-  - **Requires restart:** Yes
-
-- **`experimental.toolOutputMasking.protectLatestTurn`** (boolean):
-  - **Description:** Ensures the absolute latest turn is never masked,
-    regardless of token count.
-  - **Default:** `true`
-  - **Requires restart:** Yes
-
-- **`experimental.enableAgents`** (boolean):
-  - **Description:** Enable local and remote subagents. Warning: Experimental
-    feature, uses YOLO mode for subagents
-  - **Default:** `false`
-  - **Requires restart:** Yes
-
-- **`experimental.extensionManagement`** (boolean):
-  - **Description:** Enable extension management features.
-  - **Default:** `true`
-  - **Requires restart:** Yes
-
-- **`experimental.extensionConfig`** (boolean):
-  - **Description:** Enable requesting and fetching of extension settings.
-  - **Default:** `true`
-  - **Requires restart:** Yes
-
-- **`experimental.extensionRegistry`** (boolean):
-  - **Description:** Enable extension registry explore UI.
-  - **Default:** `false`
-  - **Requires restart:** Yes
-
-- **`experimental.extensionReloading`** (boolean):
-  - **Description:** Enables extension loading/unloading within the CLI session.
-  - **Default:** `false`
-  - **Requires restart:** Yes
-
-- **`experimental.jitContext`** (boolean):
-  - **Description:** Enable Just-In-Time (JIT) context loading.
-  - **Default:** `false`
-  - **Requires restart:** Yes
-
-- **`experimental.useOSC52Paste`** (boolean):
-  - **Description:** Use OSC 52 for pasting. This may be more robust than the
-    default system when using remote terminal sessions (if your terminal is
-    configured to allow it).
-  - **Default:** `false`
-
-- **`experimental.useOSC52Copy`** (boolean):
-  - **Description:** Use OSC 52 for copying. This may be more robust than the
-    default system when using remote terminal sessions (if your terminal is
-    configured to allow it).
-  - **Default:** `false`
-
-- **`experimental.plan`** (boolean):
-  - **Description:** Enable planning features (Plan Mode and tools).
-  - **Default:** `false`
-  - **Requires restart:** Yes
-
-- **`experimental.taskTracker`** (boolean):
-  - **Description:** Enable task tracker tools.
-  - **Default:** `false`
-  - **Requires restart:** Yes
-
-- **`experimental.modelSteering`** (boolean):
-  - **Description:** Enable model steering (user hints) to guide the model
-    during tool execution.
-  - **Default:** `false`
-
-- **`experimental.directWebFetch`** (boolean):
-  - **Description:** Enable web fetch behavior that bypasses LLM summarization.
-  - **Default:** `false`
-  - **Requires restart:** Yes
-
-- **`experimental.gemmaModelRouter.enabled`** (boolean):
-  - **Description:** Enable the Gemma Model Router. Requires a local endpoint
-    serving Gemma via the Gemini API using LiteRT-LM shim.
-  - **Default:** `false`
-  - **Requires restart:** Yes
-
-- **`experimental.gemmaModelRouter.classifier.host`** (string):
-  - **Description:** The host of the classifier.
-  - **Default:** `"http://localhost:9379"`
-  - **Requires restart:** Yes
-
-- **`experimental.gemmaModelRouter.classifier.model`** (string):
-  - **Description:** The model to use for the classifier. Only tested on
-    `gemma3-1b-gpu-custom`.
-  - **Default:** `"gemma3-1b-gpu-custom"`
-  - **Requires restart:** Yes
 #### `skills`
 
 - **`skills.enabled`** (boolean):
@@ -1239,12 +1136,6 @@ features, see the
   - **Default:** `false`
   - **Stage:** ALPHA
   - **Requires restart:** Yes
-
-- **`features.zedIntegration`** (boolean):
-  - **Description:** Enable Zed integration.
-  - **Default:** `false`
-  - **Stage:** ALPHA
-  - **Requires restart:** Yes
   <!-- SETTINGS-AUTOGEN:END -->
 
 #### `mcpServers`