Cleanup.

* There is no BDiskSystemAddOn::GetInitializationParameterEditor() method,
  and it's therefore never being called.

src/add-ons/disk_systems/gpt/GPTDiskAddOn.cpp

@@ -99,16 +99,6 @@ GPTDiskAddOn::CanInitialize(const BMutablePartition* partition)
 }
 
 
-status_t
-GPTDiskAddOn::GetInitializationParameterEditor(
-	const BMutablePartition* partition, BPartitionParameterEditor** editor)
-{
-	// Nothing to edit, really.
-	*editor = NULL;
-	return B_OK;
-}
-
-
 status_t
 GPTDiskAddOn::ValidateInitialize(const BMutablePartition* partition,
 	BString* name, const char* parameters)

src/add-ons/disk_systems/gpt/GPTDiskAddOn.h

@@ -20,9 +20,6 @@ public:
 
 	virtual	bool				CanInitialize(
 									const BMutablePartition* partition);
-	virtual	status_t			GetInitializationParameterEditor(
-									const BMutablePartition* partition,
-									BPartitionParameterEditor** editor);
 	virtual	status_t			ValidateInitialize(
 									const BMutablePartition* partition,
 									BString* name, const char* parameters);

src/add-ons/disk_systems/intel/PartitionMapAddOn.cpp

@@ -97,16 +97,6 @@ PartitionMapAddOn::CanInitialize(const BMutablePartition* partition)
 }
 
 
-status_t
-PartitionMapAddOn::GetInitializationParameterEditor(
-	const BMutablePartition* partition, BPartitionParameterEditor** editor)
-{
-	// Nothing to edit, really.
-	*editor = NULL;
-	return B_OK;
-}
-
-
 status_t
 PartitionMapAddOn::ValidateInitialize(const BMutablePartition* partition,
 	BString* name, const char* parameters)

src/add-ons/disk_systems/intel/PartitionMapAddOn.h

@@ -21,9 +21,6 @@ public:
 
 	virtual	bool				CanInitialize(
 									const BMutablePartition* partition);
-	virtual	status_t			GetInitializationParameterEditor(
-									const BMutablePartition* partition,
-									BPartitionParameterEditor** editor);
 	virtual	status_t			ValidateInitialize(
 									const BMutablePartition* partition,
 									BString* name, const char* parameters);