removed hello.c

hello.c

-#include <stdio.h>
-#include <string.h>
-#include <unistd.h>
-
-int main() {
-  puts("Hello World");
-  printf("The answer is %d\n",42);
-  putchar('\n');
-  fprintf(stdout,"Yes\n");
-
-  write(1,"Yes!",strlen("Yes!"));
-  return 42;
-}