squash! tools: update V8 gypfiles for 13.7

Refs: v8/v8@1eb7d3c

Author: targos

common.gypi

@@ -78,7 +78,6 @@
     'v8_win64_unwinding_info': 1,
 
     # Variables controlling external defines exposed in public headers.
-    'v8_enable_conservative_stack_scanning%': 0,
     'v8_enable_direct_local%': 0,
     'v8_enable_map_packing%': 0,
     'v8_enable_pointer_compression_shared_cage%': 0,
@@ -470,9 +469,6 @@
       ['tsan == 1', {
         'defines': ['V8_IS_TSAN',],
       }],
-      ['v8_enable_conservative_stack_scanning == 1', {
-        'defines': ['V8_ENABLE_CONSERVATIVE_STACK_SCANNING',],
-      }],
       ['v8_enable_direct_local == 1', {
         'defines': ['V8_ENABLE_DIRECT_LOCAL',],
       }],

tools/v8_gypfiles/features.gypi

@@ -209,9 +209,6 @@
     # Enable map packing & unpacking (sets -dV8_MAP_PACKING).
     'v8_enable_map_packing%': 0,
 
-    # Scan the call stack conservatively during garbage collection.
-    'v8_enable_conservative_stack_scanning%': 0,
-
     # Use direct pointers in local handles.
     'v8_enable_direct_local%': 0,
 
@@ -462,9 +459,6 @@
       ['tsan==1', {
         'defines': ['V8_IS_TSAN',],
       }],
-      ['v8_enable_conservative_stack_scanning==1', {
-        'defines': ['V8_ENABLE_CONSERVATIVE_STACK_SCANNING',],
-      }],
       ['v8_enable_direct_local==1', {
         'defines': ['V8_ENABLE_DIRECT_LOCAL',],
       }],