Drop references to $haikuVersion.

* Referring the current haiku version explicitly is not needed, since
  the RequiresUpdater takes care of setting the version of Haiku used
  for building a package.

dev-python/python_setuptools/python_setuptools-5.3.recipe

@@ -18,14 +18,14 @@ PROVIDES="
 	"
 
 REQUIRES="
-	haiku >= $haikuVersion
+	haiku
 	cmd:python
 	"
 
 BUILD_REQUIRES=""
 
 BUILD_PREREQUIRES="
-	haiku_devel >= $haikuVersion
+	haiku_devel
 	cmd:python
 	cmd:sed
 	"