Revert "[kernel] Stream everything. Replace .kernel_function with .kernel_offset"

runtime/vm/raw_object.h

Index: runtime/vm/raw_object.h
diff --git a/runtime/vm/raw_object.h b/runtime/vm/raw_object.h
index 89e9999932e16f5cafba6eee93568e9558653968..d9b73be76e631f0bc9630ee1bac839531da39004 100644
--- a/runtime/vm/raw_object.h
+++ b/runtime/vm/raw_object.h
@@ -893,7 +893,7 @@ class RawFunction : public RawObject {
   uint32_t kind_tag_;                          // See Function::KindTagBits.
   int16_t num_fixed_parameters_;
   int16_t num_optional_parameters_;  // > 0: positional; < 0: named.
-  NOT_IN_PRECOMPILED(intptr_t kernel_offset_);
+  NOT_IN_PRECOMPILED(void* kernel_function_);
   NOT_IN_PRECOMPILED(uint16_t optimized_instruction_count_);
   NOT_IN_PRECOMPILED(uint16_t optimized_call_site_count_);
   NOT_IN_PRECOMPILED(int8_t deoptimization_counter_);
@@ -1005,7 +1005,7 @@ class RawField : public RawObject {
   int8_t guarded_list_length_in_object_offset_;
 
   uint8_t kind_bits_;  // static, final, const, has initializer....
-  NOT_IN_PRECOMPILED(intptr_t kernel_offset_);
+  NOT_IN_PRECOMPILED(void* kernel_field_);
 
   friend class CidRewriteVisitor;
 };
@@ -1087,8 +1087,6 @@ class RawScript : public RawObject {
   int32_t col_offset_;
   int8_t kind_;  // Of type Kind.
   int64_t load_timestamp_;
-  const uint8_t* kernel_data_;
-  intptr_t kernel_data_size_;
 };