Remove trailing "/" from intelliSenseCachePath setting. (#3240)

Author: sean-mcmanus

Extension/package.json

@@ -310,8 +310,8 @@
         },
         "C_Cpp.intelliSenseCachePath": {
           "type": "string",
-          "default": "${workspaceFolder}/.vscode/",
-          "description": "Defines the folder path for cached precompiled headers used by IntelliSense. The default path \"${workspaceFolder}/.vscode/\" will be used if a specified path is invalid.",
+          "default": "${workspaceFolder}/.vscode",
+          "description": "Defines the folder path for cached precompiled headers used by IntelliSense. The default path \"${workspaceFolder}/.vscode\" will be used if a specified path is invalid.",
           "scope": "resource"
         },
         "C_Cpp.intelliSenseCacheSize": {