Little too agressive on alias removal...

Signed-off-by: restingbull@cabaretmechanique.com <restingbull@cabaretmechanique.com>

kotlin/kotlin.bzl

diff --git a/kotlin/kotlin.bzl b/kotlin/kotlin.bzl
index 8e99cf2..dc0bb3a 100644
--- a/kotlin/kotlin.bzl
+++ b/kotlin/kotlin.bzl
@@ -39,6 +39,7 @@
     ":core.bzl",
     _define_kt_toolchain = "define_kt_toolchain",
     _kt_compiler_plugin = "kt_compiler_plugin",
+    _kt_register_toolchains = "kt_register_toolchains",
 )
 
 define_kt_toolchain = _define_kt_toolchain