Remove the unused LowerBoundAllocatedByteSize function.

PiperOrigin-RevId: 562832827
Change-Id: If37f83e67b3b2ea350f74dd6bffae51ea5508f12

absl/container/internal/hashtable_debug.h

@@ -95,14 +95,6 @@ size_t AllocatedByteSize(const C& c) {
       HashtableDebugAccess<C>::AllocatedByteSize(c);
       HashtableDebugAccess<C>::AllocatedByteSize(c);
 }
 }
 
 
-// Returns a tight lower bound for AllocatedByteSize(c) where `c` is of type `C`
-// and `c.size()` is equal to `num_elements`.
-template <typename C>
-size_t LowerBoundAllocatedByteSize(size_t num_elements) {
-  return absl::container_internal::hashtable_debug_internal::
-      HashtableDebugAccess<C>::LowerBoundAllocatedByteSize(num_elements);
-}
-
 }  // namespace container_internal
 }  // namespace container_internal
 ABSL_NAMESPACE_END
 ABSL_NAMESPACE_END
 }  // namespace absl
 }  // namespace absl

absl/container/internal/raw_hash_set.h

@@ -2914,18 +2914,6 @@ struct HashtableDebugAccess<Set, absl::void_t<typename Set::raw_hash_set>> {
     }
     }
     return m;
     return m;
   }
   }
-
-  static size_t LowerBoundAllocatedByteSize(size_t size) {
-    size_t capacity = GrowthToLowerboundCapacity(size);
-    if (capacity == 0) return 0;
-    size_t m = AllocSize(NormalizeCapacity(capacity), sizeof(Slot),
-                         alignof(Slot), /*has_infoz=*/false);
-    size_t per_slot = Traits::space_used(static_cast<const Slot*>(nullptr));
-    if (per_slot != ~size_t{}) {
-      m += per_slot * size;
-    }
-    return m;
-  }
 };
 };
 
 
 }  // namespace hashtable_debug_internal
 }  // namespace hashtable_debug_internal