Cleanup includes

- Remove unused includes
- Use '<..>' style consistently
- Strip any paths from include
- Replace deprecated C++ headers
- Sort includes according to LLVM rules
  https://llvm.org/docs/CodingStandards.html#include-style

Signed-off-by: Thomas Lauf <thomas.lauf@tngtech.com>

src/Rules.cpp

@@ -24,18 +24,17 @@
 //
 ////////////////////////////////////////////////////////////////////////////////
 
-#include <cmake.h>
-#include <Rules.h>
+#include <AtomicFile.h>
 #include <FS.h>
-#include <shared.h>
-#include <format.h>
-#include <sstream>
-#include <tuple>
+#include <JSON.h>
+#include <Rules.h>
 #include <cassert>
 #include <cerrno>
-#include <inttypes.h>
-#include <AtomicFile.h>
-#include <JSON.h>
+#include <cinttypes>
+#include <format.h>
+#include <shared.h>
+#include <sstream>
+#include <tuple>
 
 ////////////////////////////////////////////////////////////////////////////////
 Rules::Rules ()