Remove Go toolchain support, as it's unused now

Change-Id: I282719a21946d0217333a035cf0670e44666070c
Release-Notes: n/a
diff --git a/WORKSPACE b/WORKSPACE
index da62bb5..e5c5d4a 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -99,42 +99,6 @@
     firefox = True,
 )
 
-# Golang support for PolyGerrit local dev server.
-http_archive(
-    name = "io_bazel_rules_go",
-    sha256 = "d6b2513456fe2229811da7eb67a444be7785f5323c6708b38d851d2b51e54d83",
-    urls = [
-        "https://mirror.bazel.build/github.com/bazelbuild/rules_go/releases/download/v0.30.0/rules_go-v0.30.0.zip",
-        "https://github.com/bazelbuild/rules_go/releases/download/v0.30.0/rules_go-v0.30.0.zip",
-    ],
-)
-
-load("@io_bazel_rules_go//go:deps.bzl", "go_register_toolchains", "go_rules_dependencies")
-
-go_rules_dependencies()
-
-go_register_toolchains(version = "1.17.6")
-
-http_archive(
-    name = "bazel_gazelle",
-    sha256 = "de69a09dc70417580aabf20a28619bb3ef60d038470c7cf8442fafcf627c21cb",
-    urls = [
-        "https://mirror.bazel.build/github.com/bazelbuild/bazel-gazelle/releases/download/v0.24.0/bazel-gazelle-v0.24.0.tar.gz",
-        "https://github.com/bazelbuild/bazel-gazelle/releases/download/v0.24.0/bazel-gazelle-v0.24.0.tar.gz",
-    ],
-)
-
-load("@bazel_gazelle//:deps.bzl", "gazelle_dependencies", "go_repository")
-
-gazelle_dependencies()
-
-# Dependencies for PolyGerrit local dev server.
-go_repository(
-    name = "com_github_howeyc_fsnotify",
-    commit = "441bbc86b167f3c1f4786afae9931403b99fdacf",
-    importpath = "github.com/howeyc/fsnotify",
-)
-
 register_toolchains("//tools:error_prone_warnings_toolchain_java11_definition")
 
 register_toolchains("//tools:error_prone_warnings_toolchain_java17_definition")