Remove this dead code which brings a dependency on rustc

--- src/components/BUILD.gn.orig	2024-03-27 16:30:09.189645288 +0100
+++ src/components/BUILD.gn	2024-03-28 23:11:14.847582213 +0100
@@ -282,7 +282,6 @@ test("components_unittests") {
     "//components/profile_metrics:unit_tests",
     "//components/proxy_config:unit_tests",
     "//components/push_notification:unit_tests",
-    "//components/qr_code_generator:unit_tests",
     "//components/query_parser:unit_tests",
     "//components/reading_list/core:unit_tests",
     "//components/reporting/client:unit_tests",
--- src/chrome/browser/BUILD.gn.orig
+++ src/chrome/browser/BUILD.gn
@@ -1972,7 +1972,6 @@ static_library("browser") {
     "//chrome/browser/profiling_host",
 
     # TODO(crbug.com/1335199): break this dep when favicon is in its own target
-    "//chrome/browser/share",
     "//chrome/browser/ui",
     "//chrome/browser/storage_access_api",
     "//chrome/browser/top_level_storage_access_api:permissions",
@@ -2106,7 +2105,6 @@ static_library("browser") {
     "//chrome/browser/safe_browsing:advanced_protection",
     "//chrome/browser/safe_browsing:metrics_collector",
     "//chrome/browser/safe_browsing:verdict_cache_manager_factory",
-    "//chrome/browser/share",
     "//chrome/browser/sharing:buildflags",
     "//chrome/browser/sharing/proto",
     "//chrome/browser/signin:identity_manager_provider",
@@ -4598,7 +4596,6 @@ static_library("browser") {
       "//chrome/browser/policy:path_parser",
       "//chrome/browser/profile_resetter:profile_reset_report_proto",
       "//chrome/browser/resources:component_extension_resources",
-      "//chrome/browser/share/proto:proto",
       "//chrome/browser/smart_card",
       "//chrome/browser/support_tool:support_tool_proto",
       "//chrome/browser/ui/actions:actions_headers",
@@ -8407,7 +8404,6 @@ static_library("test_support") {
     "//build:chromeos_buildflags",
     "//chrome/app/theme:theme_resources",
     "//chrome/browser/policy/messaging_layer/proto:crd_event_proto",
-    "//chrome/browser/share:share",
     "//chrome/common",
     "//chrome/common/notifications",
     "//chrome/common/safe_browsing:proto",
--- src/chrome/browser/ui/BUILD.gn.orig
+++ src/chrome/browser/ui/BUILD.gn
@@ -451,7 +451,6 @@ static_library("ui") {
     "//chrome/browser/resources:dev_ui_resources",
     "//chrome/browser/resources:resources",
     "//chrome/browser/safe_browsing",
-    "//chrome/browser/share",
     "//chrome/browser/storage_access_api",
     "//chrome/browser/ui/side_panel:side_panel_enums",
     "//chrome/browser/ui/webui/location_internals:mojo_bindings",
@@ -591,7 +590,6 @@ static_library("ui") {
     "//components/privacy_sandbox:tracking_protection_settings",
     "//components/profile_metrics",
     "//components/proxy_config",
-    "//components/qr_code_generator:bitmap_generator",
     "//components/query_parser",
     "//components/reading_list/core",
     "//components/reading_list/features:flags",
--- src/chrome/test/BUILD.gn.orig
+++ src/chrome/test/BUILD.gn
@@ -1923,7 +1923,6 @@ if (!is_android) {
       "//components/privacy_sandbox/privacy_sandbox_attestations:test_support",
       "//components/privacy_sandbox/privacy_sandbox_attestations/proto:proto",
       "//components/proxy_config",
-      "//components/qr_code_generator:bitmap_generator",
       "//components/reading_list/core",
       "//components/reading_list/features:flags",
       "//components/resources",
@@ -6774,7 +6773,6 @@ test("unit_tests") {
     "//chrome/browser/safe_browsing:metrics_collector",
     "//chrome/browser/safe_browsing:verdict_cache_manager_factory",
     "//chrome/browser/segmentation_platform:test_utils",
-    "//chrome/browser/share",
     "//chrome/browser/sharing/proto",
     "//chrome/browser/storage_access_api",
     "//chrome/browser/sync_file_system/drive_backend:sync_file_system_drive_proto",
@@ -6927,7 +6925,6 @@ test("unit_tests") {
     "//components/privacy_sandbox/privacy_sandbox_attestations:test_support",
     "//components/privacy_sandbox/privacy_sandbox_attestations/proto:proto",
     "//components/proxy_config",
-    "//components/qr_code_generator:bitmap_generator",
     "//components/query_parser",
     "//components/query_tiles:unit_tests",
     "//components/reading_list/core",
@@ -8360,11 +8357,6 @@ test("unit_tests") {
 
     data += [ "//ash/components/arc/test/data/icons/" ]
 
-    data_deps += [
-      # enclave_manager_unittest.cc runs this binary as part of its testing
-      # process.
-      "//third_party/cloud_authenticator/test/local_service:cloud_authenticator_test_service",
-    ]
 
     if (include_js2gtest_tests && is_chromeos_ash) {
       data += js2gtest_js_libraries