Revert of Reland Reland Switch Chrome Android using v8 arch specific external data name

gin/v8_initializer.cc

Index: gin/v8_initializer.cc
diff --git a/gin/v8_initializer.cc b/gin/v8_initializer.cc
index 8bcc78dfa772568d61de2a46bb56e0eaaee95a9d..810225c9c8664bccf461c8af75933e24b2539f1f 100644
--- a/gin/v8_initializer.cc
+++ b/gin/v8_initializer.cc
@@ -53,19 +53,8 @@
 base::MemoryMappedFile::Region g_natives_region;
 base::MemoryMappedFile::Region g_snapshot_region;
 
-#if defined(OS_ANDROID)
-#ifdef __LP64__
-const char kNativesFileName[] = "natives_blob_64.bin";
-const char kSnapshotFileName[] = "snapshot_blob_64.bin";
-#else
-const char kNativesFileName[] = "natives_blob_32.bin";
-const char kSnapshotFileName[] = "snapshot_blob_32.bin";
-#endif // __LP64__
-
-#else  // defined(OS_ANDROID)
 const char kNativesFileName[] = "natives_blob.bin";
 const char kSnapshotFileName[] = "snapshot_blob.bin";
-#endif  // defined(OS_ANDROID)
 
 void GetV8FilePath(const char* file_name, base::FilePath* path_out) {
 #if !defined(OS_MACOSX)