[logo] Remove unused code

Author: scopeInfinity

src/usr/local/src/logo.cpp

@@ -7,19 +7,9 @@
 #include <math.h>
 #include <graphics.h>
 
-const int BUSY_WAIT_FRAMECOUNTER = 2e7;
-
 const int WINDOW_HEIGHT = GRAPHICS_MAX_HEIGHT;
 const int WINDOW_WIDTH  = GRAPHICS_MAX_WIDTH;
 
-char message_buffer[320];
-
-void frame_wait() {
-    // busy wait
-    volatile int counter = BUSY_WAIT_FRAMECOUNTER;
-    while (counter--);
-}
-
 std::vector<std::string> split(std::string &str) {
     std::vector<std::string> rv;
     std::size_t len = str.length();