Revert of Always deserialize scope infos for parsing

src/heap/heap.cc

Index: src/heap/heap.cc
diff --git a/src/heap/heap.cc b/src/heap/heap.cc
index 616c96e909fa632e4ce329e87cdedf342b4f026d..41179f9a892a0967c3e82d1a79d0ddbee0fa7f9c 100644
--- a/src/heap/heap.cc
+++ b/src/heap/heap.cc
@@ -6,6 +6,7 @@
 
 #include "src/accessors.h"
 #include "src/api.h"
+#include "src/ast/context-slot-cache.h"
 #include "src/base/bits.h"
 #include "src/base/once.h"
 #include "src/base/utils/random-number-generator.h"
@@ -1474,6 +1475,7 @@
   // At any old GC clear the keyed lookup cache to enable collection of unused
   // maps.
   isolate_->keyed_lookup_cache()->Clear();
+  isolate_->context_slot_cache()->Clear();
   isolate_->descriptor_lookup_cache()->Clear();
   RegExpResultsCache::Clear(string_split_cache());
   RegExpResultsCache::Clear(regexp_multiple_cache());
@@ -2888,6 +2890,9 @@
 
   // Initialize keyed lookup cache.
   isolate_->keyed_lookup_cache()->Clear();
+
+  // Initialize context slot cache.
+  isolate_->context_slot_cache()->Clear();
 
   // Initialize descriptor cache.
   isolate_->descriptor_lookup_cache()->Clear();