Remove dead function from DependentCode.

This became obsolete when I rewrote CompilationDependencies.

R=jarin@chromium.org

Change-Id: Ifc567fafccd33e98be9d1bdf6264c680be3149e4
Reviewed-on: https://chromium-review.googlesource.com/1161919Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
Commit-Queue: Georg Neis <neis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#54896}

src/objects.cc

@@ -15375,44 +15375,6 @@ bool DependentCode::Compact() {
 }
 
 
-void DependentCode::RemoveCompilationDependencies(
-    DependentCode::DependencyGroup group, Foreign* info) {
-  if (this->length() == 0 || this->group() > group) {
-    // There is no such group.
-    return;
-  }
-  if (this->group() < group) {
-    // The group comes later in the list.
-    next_link()->RemoveCompilationDependencies(group, info);
-    return;
-  }
-  DCHECK_EQ(group, this->group());
-  DisallowHeapAllocation no_allocation;
-  int old_count = count();
-  // Find compilation info wrapper.
-  int info_pos = -1;
-  for (int i = 0; i < old_count; i++) {
-    if (object_at(i) == info) {
-      info_pos = i;
-      break;
-    }
-  }
-  if (info_pos == -1) return;  // Not found.
-  // Use the last code to fill the gap.
-  if (info_pos < old_count - 1) {
-    copy(old_count - 1, info_pos);
-  }
-  clear_at(old_count - 1);
-  set_count(old_count - 1);
-
-#ifdef DEBUG
-  for (int i = 0; i < old_count - 1; i++) {
-    DCHECK(object_at(i) != info);
-  }
-#endif
-}
-
-
 bool DependentCode::Contains(DependencyGroup group, WeakCell* code_cell) {
   if (this->length() == 0 || this->group() > group) {
     // There is no such group.

src/objects/code.h

@@ -634,8 +634,6 @@ class DependentCode : public FixedArray {
   bool Contains(DependencyGroup group, WeakCell* code_cell);
   bool IsEmpty(DependencyGroup group);
 
-  void RemoveCompilationDependencies(DependencyGroup group, Foreign* info);
-
   void DeoptimizeDependentCodeGroup(Isolate* isolate, DependencyGroup group);
 
   bool MarkCodeForDeoptimization(Isolate* isolate, DependencyGroup group);