third_party/linux: set transition overrides to default value

Without this a run with the race detector doesn't work as we prevent CGO
with this transition.

Change-Id: Ibba17ec4058ed34bee1beb7b5f3c6cac345bac5d
Reviewed-on: https://review.monogon.dev/c/monogon/+/3690
Reviewed-by: Lorenz Brun <lorenz@monogon.tech>
Tested-by: Jenkins CI
diff --git a/third_party/linux/def.bzl b/third_party/linux/def.bzl
index 67727a6..0efbb64 100644
--- a/third_party/linux/def.bzl
+++ b/third_party/linux/def.bzl
@@ -33,8 +33,8 @@
     # Force-setting them to a stable value forces the build configuration
     # to a stable hash.
     # See the transition's comment block for more information.
-    "@io_bazel_rules_go//go/config:pure": True,
-    "@io_bazel_rules_go//go/config:static": True,
+    "@io_bazel_rules_go//go/config:pure": False,
+    "@io_bazel_rules_go//go/config:static": False,
 
     # Note: this toolchain is not actually used to perform the build.
     "//command_line_option:platforms": "//build/platforms:linux_amd64_static",