Move variant usage to std

Since sdbusplus now uses std, it's cleaner just to
use the variant type directly not behind the namespace.

Also updates clang format.

Style only change.

Tested-by: It builds

Change-Id: I2b7e3ae6b0135cda3e8443e8f910009e6e857f87
Signed-off-by: James Feist <james.feist@linux.intel.com>
diff --git a/src/Utils.cpp b/src/Utils.cpp
index dda3b40..66841de 100644
--- a/src/Utils.cpp
+++ b/src/Utils.cpp
@@ -14,8 +14,9 @@
 // limitations under the License.
 */
 
-#include <Utils.hpp>
 #include "filesystem.hpp"
+
+#include <Utils.hpp>
 #include <fstream>
 #include <regex>
 #include <valijson/adapters/nlohmann_json_adapter.hpp>
@@ -25,15 +26,15 @@
 
 namespace fs = std::filesystem;
 
-bool findFiles(const fs::path &dirPath, const std::string &matchString,
-               std::vector<fs::path> &foundPaths)
+bool findFiles(const fs::path& dirPath, const std::string& matchString,
+               std::vector<fs::path>& foundPaths)
 {
     if (!fs::exists(dirPath))
         return false;
 
     std::regex search(matchString);
     std::smatch match;
-    for (const auto &p : fs::directory_iterator(dirPath))
+    for (const auto& p : fs::directory_iterator(dirPath))
     {
         std::string path = p.path().string();
         if (std::regex_search(path, match, search))
@@ -44,7 +45,7 @@
     return true;
 }
 
-bool validateJson(const nlohmann::json &schemaFile, const nlohmann::json &input)
+bool validateJson(const nlohmann::json& schemaFile, const nlohmann::json& input)
 {
     valijson::Schema schema;
     valijson::SchemaParser parser;