Remove Bazel WORKSPACE setup. (#8509)

Author: mering

.bazelci/presubmit.yml

@@ -2,7 +2,6 @@
 buildifier: latest
 matrix:
   bazel:
-    - 6.x
     - 7.x
     - 8.x
 tasks:

BUILD.bazel

@@ -32,7 +32,6 @@ filegroup(
         ".npmrc",
         "BUILD.bazel",
         "MODULE.bazel",
-        "WORKSPACE",
         "build_defs.bzl",
         "package.json",
         "pnpm-lock.yaml",

WORKSPACE

@@ -7,27 +7,21 @@ Rules for building C++ flatbuffers with Bazel.
 
 load("@rules_cc//cc:defs.bzl", "cc_library")
 
-def repo_name(label):
-    if hasattr(label, "repo_name"):  # Added in Bazel 7.1
-        return label.repo_name
-    else:
-        return "com_github_google_flatbuffers"
-
 TRUE_FLATC_PATH = Label("//:flatc")
 
 DEFAULT_INCLUDE_PATHS = [
     "./",
     "$(GENDIR)",
     "$(BINDIR)",
-    "$(execpath %s).runfiles/%s" % (TRUE_FLATC_PATH, repo_name(TRUE_FLATC_PATH)),
+    "$(execpath %s).runfiles/%s" % (TRUE_FLATC_PATH, TRUE_FLATC_PATH.repo_name),
 ]
 
 def default_include_paths(flatc_path):
     return [
         "./",
         "$(GENDIR)",
         "$(BINDIR)",
-        "$(execpath %s).runfiles/%s" % (flatc_path, repo_name(flatc_path)),
+        "$(execpath %s).runfiles/%s" % (flatc_path, flatc_path.repo_name),
     ]
 
 DEFAULT_FLATC_ARGS = [

WORKSPACE.bzlmod

@@ -1,8 +1,3 @@
 This directory is not intended to be used independently of the flatbuffers
 repository. Instead, this whole directory serves as a unit test for the
 C++ integration in the flatbuffers repo.
-
-Run this test from the top-level of the flatbuffers repo.
-```console
-$ bazel test //tests:bazel_repository_test
-```