[demos] remove redundant comments

demos/3d.c

@@ -1,6 +1,3 @@
-// This example renders a rotating 3D cube made out of circles.
-// This idea is that you can take this code and compile it to different platforms with different rendering machanisms:
-// native with SDL, WebAssembly with HTML5 canvas, etc.
 #define SCALE_DOWN_FACTOR 10
 #include "vc.c"
 

demos/triangle.c

@@ -1,6 +1,3 @@
-// This example renders a rotating triangle.
-// This idea is that you can take this code and compile it to different platforms with different rendering machanisms:
-// native with SDL, WebAssembly with HTML5 canvas, etc.
 #define SCALE_DOWN_FACTOR 20
 #include "vc.c"
 
@@ -74,4 +71,3 @@ Olivec_Canvas render(float dt)
 
     return oc;
 }
-

demos/triangleTex.c

@@ -1,6 +1,3 @@
-// This example renders a rotating triangle.
-// This idea is that you can take this code and compile it to different platforms with different rendering machanisms:
-// native with SDL, WebAssembly with HTML5 canvas, etc.
 #define SCALE_DOWN_FACTOR 20
 #include "vc.c"
 #include "assets/tsodinPog.c"
@@ -60,4 +57,3 @@ Olivec_Canvas render(float dt)
 
     return oc;
 }
-