Remove android_java_ui as it is not used

chrome/app/chrome_main_delegate.cc

Index: chrome/app/chrome_main_delegate.cc
diff --git a/chrome/app/chrome_main_delegate.cc b/chrome/app/chrome_main_delegate.cc
index 2d2b8c7c48a79ccac6a05daaecb6cd7b4bb68d35..31663ece1a3944cd711513edfba9bedf3d8c9b75 100644
--- a/chrome/app/chrome_main_delegate.cc
+++ b/chrome/app/chrome_main_delegate.cc
@@ -101,11 +101,8 @@
 #include "chromeos/hugepage_text/hugepage_text.h"
 #endif
 
-#if BUILDFLAG(ANDROID_JAVA_UI)
-#include "chrome/browser/android/java_exception_reporter.h"
-#endif
-
 #if defined(OS_ANDROID)
+#include "chrome/browser/android/java_exception_reporter.h"
 #include "chrome/common/descriptors_android.h"
 #else
 // Diagnostics is only available on non-android platforms.
@@ -889,11 +886,7 @@ void ChromeMainDelegate::PreSandboxStartup() {
 #if defined(OS_ANDROID)
     if (process_type.empty()) {
       breakpad::InitCrashReporter(process_type);
-// TODO(crbug.com/551176): Exception reporting should work without
-// ANDROID_JAVA_UI
-#if BUILDFLAG(ANDROID_JAVA_UI)
       chrome::android::InitJavaExceptionReporter();
-#endif
     } else {
       breakpad::InitNonBrowserCrashReporterForAndroid(process_type);
     }