Get rid of bazel.

Good riddance. More of a headache than it's worth.

testio/BUILD.bazel

@@ -1,15 +0,0 @@
-load("@io_bazel_rules_go//go:def.bzl", "go_library", "go_test")
-
-go_library(
-    name = "testio",
-    srcs = ["testio.go"],
-    importpath = "git.wntrmute.dev/kyle/goutils/testio",
-    visibility = ["//visibility:public"],
-)
-
-go_test(
-    name = "testio_test",
-    size = "small",
-    srcs = ["testio_test.go"],
-    embed = [":testio"],
-)