Move variant usage to std

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

This was primarily done with sed commands

Tested-by: It builds

Change-Id: I87a90a2942cfc6da312cb0e045cce7cd40a644e5
Signed-off-by: James Feist <james.feist@linux.intel.com>
diff --git a/src/ADCSensorMain.cpp b/src/ADCSensorMain.cpp
index 7f7f812..98b41a0 100644
--- a/src/ADCSensorMain.cpp
+++ b/src/ADCSensorMain.cpp
@@ -30,7 +30,7 @@
 static constexpr bool DEBUG = false;
 
 namespace fs = std::filesystem;
-namespace variant_ns = sdbusplus::message::variant_ns;
+
 static constexpr std::array<const char*, 1> sensorTypes = {
     "xyz.openbmc_project.Configuration.ADC"};
 static std::regex inputRegex(R"(in(\d+)_input)");
@@ -133,8 +133,8 @@
                 continue;
             }
 
-            unsigned int number = sdbusplus::message::variant_ns::visit(
-                VariantToUnsignedIntVisitor(), findIndex->second);
+            unsigned int number =
+                std::visit(VariantToUnsignedIntVisitor(), findIndex->second);
 
             if (number != index)
             {
@@ -165,9 +165,7 @@
                       << path.string() << "\n";
             continue;
         }
-        std::string sensorName =
-            sdbusplus::message::variant_ns::get<std::string>(
-                findSensorName->second);
+        std::string sensorName = std::get<std::string>(findSensorName->second);
 
         // on rescans, only update sensors we were signaled by
         auto findSensor = sensors.find(sensorName);
@@ -201,16 +199,16 @@
         float scaleFactor = 1.0;
         if (findScaleFactor != baseConfiguration->second.end())
         {
-            scaleFactor = variant_ns::visit(VariantToFloatVisitor(),
-                                            findScaleFactor->second);
+            scaleFactor =
+                std::visit(VariantToFloatVisitor(), findScaleFactor->second);
         }
 
         auto findPowerOn = baseConfiguration->second.find("PowerState");
         PowerState readState = PowerState::always;
         if (findPowerOn != baseConfiguration->second.end())
         {
-            std::string powerState = variant_ns::visit(VariantToStringVisitor(),
-                                                       findPowerOn->second);
+            std::string powerState =
+                std::visit(VariantToStringVisitor(), findPowerOn->second);
             setReadState(powerState, readState);
         }