Remove use of named parameter that has been disabled in starlark (only the positional usage is permitted now). (#215)

kotlin/internal/jvm/impl.bzl

diff --git a/kotlin/internal/jvm/impl.bzl b/kotlin/internal/jvm/impl.bzl
index e384931..08c3203 100644
--- a/kotlin/internal/jvm/impl.bzl
+++ b/kotlin/internal/jvm/impl.bzl
@@ -173,7 +173,7 @@
         for file in ctx.files.srcs:
             if file.basename.split(".")[0] == ctx.attr.name:
                 for splitter in _SPLIT_STRINGS:
-                    elements = file.short_path.split(splitter, maxsplit = 1)
+                    elements = file.short_path.split(splitter, 1)
                     if len(elements) == 2:
                         test_class = elements[1].split(".")[0].replace("/", ".")