rpk: remove --config-clang from bazel autogen

For Mac users.

We won't need this now that we have upgraded to
Bazel 8.

Author: r-vasquez

src/go/rpk/Makefile

@@ -11,13 +11,12 @@ GOCMD=go
 GOLANGCILINTCMD=golangci-lint
 GOFUMPTCMD=gofumpt
 
+BAZEL_GAZELLE_CMD := run //:gazelle
 ifeq ($(shell uname),Darwin)
     BAZELCMD := bazelisk
-    BAZEL_GAZELLE_CMD := run --config system-clang //:gazelle
     GOFUMPT_OS_CMD := $(shell find . -type f -name '*.go' -print0 | xargs -0 -n 1 $(GOFUMPTCMD) -w)
 else
 	BAZELCMD := bazel
-    BAZEL_GAZELLE_CMD := run //:gazelle
     GOFUMPT_OS_CMD := 	$(shell find -type f -name '*.go' | xargs -n1 $(GOFUMPTCMD) -w)
 endif