drop struct keyword for non-packed objects

As a style decision, struct is often used with packed structures to
indicate they are used like C-structs.  Cleanup this codebase to not use
the extra struct keyword throughout.

Signed-off-by: Patrick Venture <venture@google.com>
Change-Id: I2f83bb1989e4d1f2f843ba3e45fb82e04f0fa61c
diff --git a/dbus/dbusconfiguration.cpp b/dbus/dbusconfiguration.cpp
index 161f14a..55151d3 100644
--- a/dbus/dbusconfiguration.cpp
+++ b/dbus/dbusconfiguration.cpp
@@ -260,7 +260,7 @@
 void populatePidInfo(
     sdbusplus::bus::bus& bus,
     const std::unordered_map<std::string, DbusVariantType>& base,
-    struct conf::ControllerInfo& info, const std::string* thresholdProperty,
+    conf::ControllerInfo& info, const std::string* thresholdProperty,
     const std::map<std::string, conf::SensorConfig>& sensorConfig)
 {
     info.type = std::get<std::string>(getPIDAttribute(base, "Class"));
@@ -752,7 +752,7 @@
 
                 if (offsetType.empty())
                 {
-                    struct conf::ControllerInfo& info =
+                    conf::ControllerInfo& info =
                         conf[std::get<std::string>(base.at("Name"))];
                     info.inputs = std::move(inputSensorNames);
                     populatePidInfo(bus, base, info, nullptr, sensorConfig);
@@ -763,7 +763,7 @@
                     // values will differ, making setpoints differ
                     for (const std::string& input : inputSensorNames)
                     {
-                        struct conf::ControllerInfo& info = conf[input];
+                        conf::ControllerInfo& info = conf[input];
                         info.inputs.emplace_back(input);
                         populatePidInfo(bus, base, info, &offsetType,
                                         sensorConfig);
@@ -822,7 +822,7 @@
                 {
                     continue;
                 }
-                struct conf::ControllerInfo& info =
+                conf::ControllerInfo& info =
                     conf[std::get<std::string>(base.at("Name"))];
                 info.inputs = std::move(inputs);