[bazel] Remove unused loads of elf_to_disassembly

Signed-off-by: James Wainwright <[email protected]>
(cherry picked from commit afbee40)

Author: jwnrt

sw/device/silicon_owner/tock/kernel/BUILD

@@ -4,7 +4,6 @@
 
 load("@rules_rust//rust:defs.bzl", "rust_binary")
 load("//rules:linker.bzl", "ld_library")
-load("//rules:opentitan.bzl", "elf_to_disassembly")
 load("//rules/opentitan:legacy.bzl", "obj_transform")
 load("//rules/opentitan:defs.bzl", "OPENTITAN_CPU")
 

sw/device/silicon_owner/tock/upstream_kernel/BUILD

@@ -4,7 +4,6 @@
 
 load("@rules_rust//rust:defs.bzl", "rust_binary")
 load("//rules:linker.bzl", "ld_library")
-load("//rules:opentitan.bzl", "elf_to_disassembly")
 load("//rules/opentitan:defs.bzl", "OPENTITAN_CPU")
 load("//rules/opentitan:legacy.bzl", "obj_transform")