Changed version number to git hash

src/args.c

@@ -4,10 +4,8 @@
 
 #include "args.h"
 
-extern char* version;
-
 static void handle_version() {
-  printf("Sanke version %s\n", version);
+  printf("Sanke version %s\n", VERSION);
   exit(0);
 }
 

src/main.c

@@ -15,8 +15,6 @@
 #define TERMIOS 1
 #define DEBUG 0
 
-const char* version = "1.2.0";
-
 const char snake_vis = '#';
 
 struct termios set_termios();