(DOCSP-37136): Fix truncated code example (#3203)

## Pull Request Info

Jira ticket: https://jira.mongodb.org/browse/DOCSP-37136

- [Configure & Open a
Realm](https://preview-mongodbdacharyc.gatsbyjs.io/realm/DOCSP-37136/sdk/cpp/realm-files/configure-and-open-a-realm/#open-a-realm-at-a-file-path):
Fixed truncated "Open a Realm at a File Path" code example.

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### Release Notes

- **C++ SDK**
- Realm Files/Configure & Open a Realm: Fixed truncated "Open a Realm at
a File Path" code example.

### Review Guidelines


[REVIEWING.md](https://github.com/mongodb/docs-realm/blob/master/REVIEWING.md)

examples/cpp/local/crud.cpp

@@ -160,8 +160,7 @@ TEST_CASE("Define model example", "[write]") {
 TEST_CASE("Ignored property example", "[write]") {
   // :snippet-start: open-db-at-path
   auto relative_realm_path_directory = "custom_path_directory/";
-  std::filesystem::create_directories(
-      relative_realm_path_directory);  // :remove:
+  std::filesystem::create_directories(relative_realm_path_directory);
   // Construct a path
   std::filesystem::path path =
       std::filesystem::current_path().append(relative_realm_path_directory);

source/examples/generated/cpp/crud.snippet.open-db-at-path.cpp

@@ -1,5 +1,5 @@
 auto relative_realm_path_directory = "custom_path_directory/";
-std::filesystem::create_directories(
+std::filesystem::create_directories(relative_realm_path_directory);
 // Construct a path
 std::filesystem::path path =
     std::filesystem::current_path().append(relative_realm_path_directory);