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-libs/apr_util/apr_util-1.3.10.recipe

@@ -13,7 +13,7 @@ PROVIDES="
 	lib:libaprutil_1 = $portVersion compat >= 1
 	"
 REQUIRES="
-	haiku >= $haikuVersion
+	haiku
 	apr >= 1.3.9
 	expat >= 2.0
 	"
@@ -21,7 +21,7 @@ BUILD_REQUIRES="
 	$REQUIRES
 	"
 BUILD_PREREQUIRES="
-	haiku_devel >= $haikuVersion
+	haiku_devel
 	cmd:aclocal
 	cmd:autoconf
 	cmd:autoheader