Revert of Handle Java assert using a customized function in base

base/android/java/src/org/chromium/base/JavaExceptionReporter.java

Index: base/android/java/src/org/chromium/base/JavaExceptionReporter.java
diff --git a/base/android/java/src/org/chromium/base/JavaExceptionReporter.java b/base/android/java/src/org/chromium/base/JavaExceptionReporter.java
index c237a14426bbd1cb0a69e35312a7bbc35fac87b4..f192f78c10472d0055128700883aa9b019ff7837 100644
--- a/base/android/java/src/org/chromium/base/JavaExceptionReporter.java
+++ b/base/android/java/src/org/chromium/base/JavaExceptionReporter.java
@@ -54,13 +54,6 @@
         nativeReportJavaStackTrace(stackTrace);
     }
 
-    /**
-     * Handle AssertionError, decide whether throw or report without crashing base on gn arg.
-     */
-    public static void assertFailureHandler(AssertionError assertionError) throws AssertionError {
-        throw assertionError;
-    }
-
     @CalledByNative
     private static void installHandler(boolean crashAfterReport) {
         Thread.setDefaultUncaughtExceptionHandler(new JavaExceptionReporter(