Remove hello_world target

Author: avdv

BUCK

@@ -1,11 +1,5 @@
 # A list of available rules and their signatures can be found here: https://buck2.build/docs/api/rules/
 
-genrule(
-    name = "hello_world",
-    out = "out.txt",
-    cmd = "echo BUILT BY BUCK2> $OUT",
-)
-
 genrule(
     name = "node_modules",
     srcs = [