Remove this dead code which brings a dependency on rustc

--- src/components/BUILD.gn.orig	2025-04-11 12:05:18.743943100 +0200
+++ src/components/BUILD.gn	2025-04-11 19:52:11.508526413 +0200
@@ -297,7 +297,6 @@ 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/regional_capabilities:unit_tests",
--- src/chrome/browser/BUILD.gn.orig	2025-04-11 12:13:12.927314100 +0200
+++ src/chrome/browser/BUILD.gn	2025-04-11 19:52:48.976512203 +0200
@@ -1777,7 +1777,6 @@ static_library("browser") {
     "//chrome/browser/profiling_host",
 
     # TODO(crbug.com/40228447): break this dep when favicon is in its own target
-    "//chrome/browser/share",
 
     # TODO(358041220): There is a circular_dependency of `cookie_controls:impl` module
     # with "//chrome/browser" due to the inclusion of //c/b/policy/profile_policy_connector.h
@@ -1935,7 +1934,6 @@ static_library("browser") {
     "//chrome/browser/search_engines",
     "//chrome/browser/send_tab_to_self",
     "//chrome/browser/serial",
-    "//chrome/browser/share",
     "//chrome/browser/sharing:buildflags",
     "//chrome/browser/signin",
     "//chrome/browser/signin:identity_manager_provider",
@@ -8426,7 +8424,6 @@ static_library("browser_generated_files"
       "//chrome/browser/new_tab_page/modules/v2/calendar:mojo_bindings",
       "//chrome/browser/new_tab_page/modules/v2/most_relevant_tab_resumption:mojo_bindings",
       "//chrome/browser/profile_resetter:profile_reset_report_proto",
-      "//chrome/browser/share/proto:proto",
       "//chrome/browser/support_tool:support_tool_proto",
       "//chrome/browser/sync_file_system/drive_backend:sync_file_system_drive_proto",
       "//chrome/browser/ui:webui_name_variants",
@@ -8877,7 +8874,6 @@ static_library("test_support") {
     "//chrome/browser/policy/messaging_layer/proto:crd_event_proto",
     "//chrome/browser/search_engine_choice",
     "//chrome/browser/search_engines",
-    "//chrome/browser/share:share",
     "//chrome/common",
     "//chrome/common/notifications",
     "//chrome/common/safe_browsing:proto",
--- src/chrome/browser/ui/BUILD.gn.orig	2024-12-08 18:34:54.011339960 +0100
+++ src/chrome/browser/ui/BUILD.gn	2024-12-18 12:39:08.101349746 +0100
@@ -425,7 +425,6 @@ static_library("ui") {
     "//chrome/browser/search_engine_choice",
     "//chrome/browser/search_engine_choice:impl",
     "//chrome/browser/search_engines",
-    "//chrome/browser/share",
     "//chrome/browser/signin",
     "//chrome/browser/signin:identity_manager_provider",
     "//chrome/browser/signin:impl",
@@ -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/renderer_context_menu",
--- src/chrome/test/BUILD.gn.orig	2025-04-11 12:13:12.932314099 +0200
+++ src/chrome/test/BUILD.gn	2025-04-11 19:53:28.092504094 +0200
@@ -2163,7 +2163,6 @@ if (!is_android) {
       "//chrome/browser/web_applications:prevent_close_test_support",
       "//chrome/browser/web_applications:web_applications_test_support",
       "//chrome/browser/webaudio:browser_tests",
-      "//chrome/browser/webauthn:test_support",
       "//chrome/common:version_header",
       "//chrome/common/privacy_budget:test_support",
       "//chrome/renderer",
@@ -2337,7 +2336,6 @@ 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/resources",
       "//components/safe_browsing:buildflags",
@@ -6648,7 +6646,6 @@ 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/reading_list/core",
     "//components/reading_list/core:test_support",
@@ -6829,7 +6826,6 @@ test("unit_tests") {
     "//third_party/metrics_proto",
     "//third_party/microsoft_webauthn",
     "//third_party/re2",
-    "//third_party/rust/fend_core/v1/wrapper:unit_tests",
     "//third_party/webrtc_overrides:webrtc_component",
     "//third_party/widevine/cdm:headers",
     "//third_party/zlib/google:compression_utils",
@@ -8115,8 +8111,6 @@ test("unit_tests") {
       "//chrome/browser/upgrade_detector:build_state_observer",
       "//chrome/browser/web_applications:features",
       "//chrome/browser/web_applications:web_applications_test_support",
-      "//chrome/browser/webauthn:test_support",
-      "//chrome/browser/webauthn/proto",
       "//chrome/common/read_anything:mojo_bindings",
       "//chrome/services/speech:unit_tests",
       "//components/app_constants",