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/sysfs/sysfsread.cpp b/sysfs/sysfsread.cpp
index eee1c8a..deb533a 100644
--- a/sysfs/sysfsread.cpp
+++ b/sysfs/sysfsread.cpp
@@ -32,8 +32,8 @@
     ifs >> value;
     ifs.close();
 
-    struct ReadReturn r = {static_cast<double>(value),
-                           std::chrono::high_resolution_clock::now()};
+    ReadReturn r = {static_cast<double>(value),
+                    std::chrono::high_resolution_clock::now()};
 
     return r;
 }