Bump llvm and rules_rs + delete stale patches

Author: dzbarsky

MODULE.bazel

@@ -1,7 +1,7 @@
 bazel_dep(name = "bazel_lib", version = "3.2.2")
 bazel_dep(name = "platforms", version = "1.0.0")
 bazel_dep(name = "rules_cc", version = "0.2.17")
-bazel_dep(name = "llvm", version = "0.7.6")
+bazel_dep(name = "llvm", version = "0.7.7")
 bazel_dep(name = "rules_rs", version = "0.0.68")
 bazel_dep(name = "windows_support", version = "0.1.1")
 
@@ -21,15 +21,6 @@ archive_override(
     urls = ["https://github.com/ArchangelX360/rules_cc/archive/cb995b18db7c855fe95cacf0a0e84fda8c58725d.tar.gz"],
 )
 
-# TODO(archangelx360): remove once https://github.com/hermeticbuild/hermetic-llvm/pull/187 is merged, and that patch upstream in `rules_rs`
-single_version_override(
-    module_name = "rules_rs",
-    patch_strip = 1,
-    patches = [
-        "//:rules_rs-msvc.patch",
-    ],
-)
-
 rules_rust = use_extension("@rules_rs//rs:rules_rust.bzl", "rules_rust")
 use_repo(rules_rust, "rules_rust")