Remove unneeded rbcrun features

- rblf_cli and rblf_env
- -c and -f

This is in preparation for making rbcrun able to function as a more
general purpose starlark interpreter.

Bug: 280685526
Test: go test, ./out/rbc ./build/make/tests/run.rbc, ./build/bazel/ci/rbc_dashboard.py --quick aosp_arm64
Change-Id: Ifff9ce7b4369422f39c5003bb85a168c78bde7cf
diff --git a/tools/rbcrun/testdata/file_ops.star b/tools/rbcrun/testdata/file_ops.star
index 2ee78fc..b2b907c 100644
--- a/tools/rbcrun/testdata/file_ops.star
+++ b/tools/rbcrun/testdata/file_ops.star
@@ -1,22 +1,21 @@
 # Tests file ops builtins
 load("assert.star", "assert")
 
-
 def test():
     myname = "file_ops.star"
     files = rblf_wildcard("*.star")
     assert.true(myname in files, "expected %s in  %s" % (myname, files))
-    files = rblf_wildcard("*.star", rblf_env.TEST_DATA_DIR)
+    files = rblf_wildcard("*.star")
     assert.true(myname in files, "expected %s in %s" % (myname, files))
     files = rblf_wildcard("*.xxx")
     assert.true(len(files) == 0, "expansion should be empty but contains %s" % files)
     mydir = "testdata"
     myrelname = "%s/%s" % (mydir, myname)
-    files = rblf_find_files(rblf_env.TEST_DATA_DIR + "/../", "*")
+    files = rblf_find_files("../", "*")
     assert.true(mydir in files and myrelname in files, "expected %s and %s in %s" % (mydir, myrelname, files))
-    files = rblf_find_files(rblf_env.TEST_DATA_DIR + "/../", "*", only_files=1)
+    files = rblf_find_files("../", "*", only_files=1)
     assert.true(mydir not in files, "did not expect %s in %s" % (mydir, files))
     assert.true(myrelname in files, "expected %s  in %s" % (myrelname, files))
-    files = rblf_find_files(rblf_env.TEST_DATA_DIR + "/../", "*.star")
+    files = rblf_find_files("../", "*.star")
     assert.true(myrelname in files, "expected %s in %s" % (myrelname, files))
 test()