Allegro 5 example: removed public domain mark, MIT as the rest, with @bggd approval

examples/allegro5_example/README.md

@@ -14,5 +14,3 @@ g++ -I ../imgui main.cpp imgui_impl_a5.cpp ../imgui/imgui.cpp -lallegro -lallegr
 ```
 cl /MD /I <a5path\include> /I ..\imgui main.cpp imgui_impl_a5.cpp ..\imgui\imgui.cpp /link /LIBPATH:<a5path\lib> allegro-5.0.10-monolith-md.lib user32.lib
 ```
-
-public domain

examples/allegro5_example/imgui_impl_a5.cpp

@@ -1,6 +1,6 @@
 // ImGui Allegro 5 bindings
 // https://github.com/ocornut/imgui
-// by @birthggd, public domain
+// by @birthggd
 
 #include <stdint.h>     // uint64_t
 #include <cstring>      // memcpy

examples/allegro5_example/imgui_impl_a5.h

@@ -1,6 +1,6 @@
 // ImGui Allegro 5 bindings
 // https://github.com/ocornut/imgui
-// by @birthggd, public domain
+// by @birthggd
 
 #pragma once
 

examples/allegro5_example/main.cpp

@@ -1,5 +1,4 @@
 // ImGui - standalone example application for Allegro 5
-// public domain
 
 #include <stdint.h>
 #include <allegro5/allegro.h>