Revert of Reland "Turn libbase into a component"

src/base/debug/stack_trace.h

Index: src/base/debug/stack_trace.h
diff --git a/src/base/debug/stack_trace.h b/src/base/debug/stack_trace.h
index 1361bb545aed83e0fecacd4307c41822e39f43a2..e938ef28689173365db7227a750939b07bb0d9b2 100644
--- a/src/base/debug/stack_trace.h
+++ b/src/base/debug/stack_trace.h
@@ -13,7 +13,6 @@
 #include <iosfwd>
 #include <string>
 
-#include "src/base/base-export.h"
 #include "src/base/build_config.h"
 
 #if V8_OS_POSIX
@@ -32,8 +31,8 @@
 // Enables stack dump to console output on exception and signals.
 // When enabled, the process will quit immediately. This is meant to be used in
 // tests only!
-V8_BASE_EXPORT bool EnableInProcessStackDumping();
-V8_BASE_EXPORT void DisableSignalStackDump();
+bool EnableInProcessStackDumping();
+void DisableSignalStackDump();
 
 // A stacktrace can be helpful in debugging. For example, you can include a
 // stacktrace member in a object (probably around #ifndef NDEBUG) so that you