Remove workaround for cgrindel/rules_swift_package_manager#1643

Author: aaliddell

modules/swift/MODULE.bazel

@@ -12,9 +12,6 @@ bazel_dep(name = "rules_swift_package_manager", version = "1.0.0-rc3")
 swift_deps = use_extension("@rules_swift_package_manager//:extensions.bzl", "swift_deps")
 swift_deps.from_package(
     declare_swift_package = False,  # Disable the `swift_package` repository
-    env = {
-        "GRPC_SWIFT_PROTOBUF_NO_VERSION": "1",  # https://github.com/cgrindel/rules_swift_package_manager/issues/1643
-    },
     resolved = "//:Package.resolved",
     swift = "//:Package.swift",
 )