Remove unused command_update keybinding test data

chrome/test/data/extensions/api_test/keybinding/command_update/manifest.json

Index: chrome/test/data/extensions/api_test/keybinding/command_update/manifest.json
diff --git a/chrome/test/data/extensions/api_test/keybinding/command_update/manifest.json b/chrome/test/data/extensions/api_test/keybinding/command_update/manifest.json
deleted file mode 100644
index bac4177fce38010a2170b0425beb2ecbfe4589f8..0000000000000000000000000000000000000000
--- a/chrome/test/data/extensions/api_test/keybinding/command_update/manifest.json
+++ /dev/null
@@ -1,28 +0,0 @@
-{
-  "name": "An extension to test updating keybinding preferences",
-  "version": "1.0",
-  "manifest_version": 2,
-  "background": {
-    "scripts": ["background.js"]
-  },
-  "commands": {
-    "command_A": {
-      "suggested_key": {
-        "default": "Alt+A"
-      },
-      "description": "Test fails if called (It will be removed during testing)."
-    },
-    "command_B": {
-      "suggested_key": {
-        "default": "Alt+B"
-      },
-      "description": "Will be uptated to 'Alt+A' during testing."
-    },
-    "command_C": {
-      "suggested_key": {
-        "default": "Alt+C"
-      },
-      "description": "Test fails if called (It will be removed during testing)."
-    }
-  }
-}