General code cleanups

* Removed some unused includes
* Removed unused ListBox::mFont
* Removed wrong cast to SDL_Scancode
* Removed superfluous .c_str()
* Removed superfluous explicit std::string construction
* Removed unused variable
* Use more emplace_back
* Turned FindBeingFunctor into a lambda
* Avoid needless pointer references for ambient layers and use a vector

1 files changed, 0 insertions, 1 deletions

diff --git a/src/being.h b/src/being.h
index dbfd82f1..a1908f94 100644
--- a/src/being.h
+++ b/src/being.h
@@ -44,7 +44,6 @@ class BeingInfo;
 class FlashText;
 class Guild;
 class ItemInfo;
-class Item;
 class Particle;
 class Party;
 struct Position;