Enable git_submodules tests and merge git_repository and starlark_git…

…_repository

- Added necessary flags to allow clone submodule from local repository.
- We only have the starlark version of git repository rule and most test cases in two integration tests are duplicated.

Fixes #17040

RELNOTES: None
PiperOrigin-RevId: 498989149
Change-Id: I1eec3efa17382ddd0a608c0984e2f6c9f29c5c7c

src/test/shell/bazel/BUILD

@@ -716,17 +716,6 @@ sh_test(
     tags = ["no_windows"],
 )
 
-sh_test(
-    name = "git_repository_test",
-    size = "large",
-    srcs = ["git_repository_test.sh"],
-    data = [
-        ":test-deps",
-        "//src/test/shell/bazel/testdata:git-repos",
-        "@bazel_tools//tools/bash/runfiles",
-    ],
-)
-
 sh_test(
     name = "starlark_git_repository_test",
     size = "large",