core: replace zap with logtree

Test Plan: Effective refactor. Only tests that could be affected are e2e tests that should continue to run, because we still are logging into the qemu console, even if differently.

X-Origin-Diff: phab/D642
GitOrigin-RevId: 0f12b1bc985af08a3cc269569273184321763e4b
diff --git a/core/internal/kubernetes/clusternet/BUILD.bazel b/core/internal/kubernetes/clusternet/BUILD.bazel
index dd5c58e..d011e2f 100644
--- a/core/internal/kubernetes/clusternet/BUILD.bazel
+++ b/core/internal/kubernetes/clusternet/BUILD.bazel
@@ -13,6 +13,7 @@
         "//core/internal/common/supervisor:go_default_library",
         "//core/internal/localstorage:go_default_library",
         "//core/pkg/jsonpatch:go_default_library",
+        "//core/pkg/logtree:go_default_library",
         "@com_github_vishvananda_netlink//:go_default_library",
         "@com_zx2c4_golang_wireguard_wgctrl//:go_default_library",
         "@com_zx2c4_golang_wireguard_wgctrl//wgtypes:go_default_library",
@@ -22,6 +23,5 @@
         "@io_k8s_client_go//informers:go_default_library",
         "@io_k8s_client_go//kubernetes:go_default_library",
         "@io_k8s_client_go//tools/cache:go_default_library",
-        "@org_uber_go_zap//:go_default_library",
     ],
 )