remove hello-world.sex from the root directory

hello-world.sex

@@ -1,18 +0,0 @@
-(include stdio.h)
-
-(chicken-define (foo)
-  "Hello from Chicken code!\n")
-
-(struct foo
-  ((int a)
-   (float b)))
-
-(pub fn int main ((int argc) (char **argv))
-    (var int a 10)
-    (puts "Hello from Sex!")
-    (var (array char 512) name)
-    (puts "What is your name?")
-    (scanf "%s" &name)
-    (printf "Hello, %s!\n" name)
-    (printf ,(foo))
-    0)