Merge wpiformat configs (#8365)

After replacing the remaining include guards with `#pragma once`, I was
able to merge all the wpiformat configs into one file in the repo root.
This should make the config easier to reason about and maintain in the
future.

cscore/src/main/native/cpp/HttpCameraImpl.hpp

@@ -2,8 +2,7 @@
 // Open Source Software; you can modify and/or share it under the terms of
 // the WPILib BSD license file in the root directory of this project.
 
-#ifndef CSCORE_HTTPCAMERAIMPL_HPP_
-#define CSCORE_HTTPCAMERAIMPL_HPP_
+#pragma once
 
 #include <atomic>
 #include <functional>
@@ -159,5 +158,3 @@ class AxisCameraImpl : public HttpCameraImpl {
 };
 
 }  // namespace wpi::cs
-
-#endif  // CSCORE_HTTPCAMERAIMPL_HPP_