Move the `@rules_java` `version` constant out of `defs.bzl`

PiperOrigin-RevId: 633860668
Change-Id: Ida6f3d53d0e905906d6065539809c4c60475fc96

distro/BUILD.bazel

diff --git a/distro/BUILD.bazel b/distro/BUILD.bazel
index bd3db15..2ae1957 100644
--- a/distro/BUILD.bazel
+++ b/distro/BUILD.bazel
@@ -1,14 +1,15 @@
 load("@rules_pkg//pkg:tar.bzl", "pkg_tar")
 load("@rules_pkg//pkg/releasing:defs.bzl", "print_rel_notes")
-load("//java:defs.bzl", "version")
 
 package(
     default_visibility = ["//visibility:private"],
 )
 
+_VERSION = "7.5.0"
+
 # Build the artifact to put on the github release page.
 pkg_tar(
-    name = "rules_java-%s" % version,
+    name = "rules_java-%s" % _VERSION,
     srcs = ["//:distribution"],
     extension = "tar.gz",
     # It is all source code, so make it read-only.
@@ -26,5 +27,5 @@
     repo = "rules_java",
     setup_file = "java:repositories.bzl",
     toolchains_method = "rules_java_toolchains",
-    version = version,
+    version = _VERSION,
 )

java/defs.bzl

diff --git a/java/defs.bzl b/java/defs.bzl
index 8a38b7f..64de71a 100644
--- a/java/defs.bzl
+++ b/java/defs.bzl
@@ -25,8 +25,6 @@
 load("//java/toolchains:java_runtime.bzl", _java_runtime = "java_runtime")
 load("//java/toolchains:java_toolchain.bzl", _java_toolchain = "java_toolchain")
 
-version = "7.5.0"
-
 # Language rules
 
 java_binary = _java_binary