[gparted] Remove remaining use of retired vol_id

[Curtis Gedak <gedakc src gnome org>]

commit 91e5a0960eb57b9b877d47e070a0578de4a313bf
Author: Mike Fleetwood <mike fleetwood googlemail com>
Date:   Thu Aug 4 16:01:25 2016 +0100

    Remove remaining use of retired vol_id
    
    Vol_id has been retired and removed from all supported distributions.
    See earlier commit "Remove use of retired vol_id from FS_Info module
    (#767842)" for more details.  Therefore remove it's use from GParted
    entirely.

 README            |    1 -
 include/hfs.h     |    1 -
 include/hfsplus.h |    1 -
 src/hfs.cc        |   24 ------------------------
 src/hfsplus.cc    |   24 ------------------------
 5 files changed, 0 insertions(+), 51 deletions(-)
---
diff --git a/README b/README
index 7afbadb..c0f1a37 100644
--- a/README
+++ b/README
@@ -255,7 +255,6 @@ system.  These commands include:
    blkid           - [mandatory requirement] used to detect file systems
                      libparted doesn't, read UUIDs and volume labels
    hdparm          - used to query disk device serial numbers
-   vol_id          - used to read volume labels
    udisks          - used to prevent automounting of file systems
    devkit-disks    - used to prevent automounting of file systems
    {filemanager}   - used in attempt data rescue to display discovered
diff --git a/include/hfs.h b/include/hfs.h
index bd219e5..673e138 100644
--- a/include/hfs.h
+++ b/include/hfs.h
@@ -29,7 +29,6 @@ class hfs : public FileSystem
 {
 public:
        FS get_filesystem_support() ;
-       void read_label( Partition & partition ) ;
        bool create( const Partition & new_partition, OperationDetail & operationdetail ) ;
        bool check_repair( const Partition & partition, OperationDetail & operationdetail ) ;
 };
diff --git a/include/hfsplus.h b/include/hfsplus.h
index d1a0837..42280d8 100644
--- a/include/hfsplus.h
+++ b/include/hfsplus.h
@@ -29,7 +29,6 @@ class hfsplus : public FileSystem
 {
 public:
        FS get_filesystem_support() ;
-       void read_label( Partition & partition ) ;
        bool create( const Partition & new_partition, OperationDetail & operationdetail ) ;
        bool check_repair( const Partition & partition, OperationDetail & operationdetail ) ;
 };
diff --git a/src/hfs.cc b/src/hfs.cc
index 13b3234..5023749 100644
--- a/src/hfs.cc
+++ b/src/hfs.cc
@@ -42,9 +42,6 @@ FS hfs::get_filesystem_support()
        if ( ! Glib::find_program_in_path( "hfsck" ) .empty() )
                fs .check = FS::EXTERNAL ;
 
-       if ( ! Glib::find_program_in_path( "vol_id" ) .empty() )
-               fs .read_label = FS::EXTERNAL ;
-
        fs .copy = GParted::FS::GPARTED ;
        fs .move = GParted::FS::GPARTED ;
        fs .online_read = FS::GPARTED ;
@@ -54,27 +51,6 @@ FS hfs::get_filesystem_support()
        return fs ;
 }
 
-void hfs::read_label( Partition & partition )
-{
-       if ( ! Utils::execute_command( "vol_id " + partition .get_path(), output, error, true ) )
-       {
-               Glib::ustring label = Utils::regexp_label( output, "ID_FS_LABEL=([^\n]*)" ) ;
-               //FIXME: find a better way to see if label is empty.. imagine someone uses 'untitled' as 
label.... ;)
-               if ( label != "untitled" )
-                       partition.set_filesystem_label( label );
-               else
-                       partition.set_filesystem_label( "" );
-       }
-       else
-       {
-               if ( ! output .empty() )
-                       partition.push_back_message( output );
-               
-               if ( ! error .empty() )
-                       partition.push_back_message( error );
-       }
-}
-
 bool hfs::create( const Partition & new_partition, OperationDetail & operationdetail )
 {
        Glib::ustring cmd = "";
diff --git a/src/hfsplus.cc b/src/hfsplus.cc
index 76fccd7..1e690fa 100644
--- a/src/hfsplus.cc
+++ b/src/hfsplus.cc
@@ -42,9 +42,6 @@ FS hfsplus::get_filesystem_support()
        if ( ! Glib::find_program_in_path( "fsck.hfsplus" ) .empty() )
                fs .check = FS::EXTERNAL ;
 
-       if ( ! Glib::find_program_in_path( "vol_id" ) .empty() )
-               fs .read_label = FS::EXTERNAL ;
-
        fs .copy = GParted::FS::GPARTED ;
        fs .move = GParted::FS::GPARTED ;
        fs .online_read = FS::GPARTED ;
@@ -52,27 +49,6 @@ FS hfsplus::get_filesystem_support()
        return fs ;
 }
 
-void hfsplus::read_label( Partition & partition )
-{
-       if ( ! Utils::execute_command( "vol_id " + partition .get_path(), output, error, true ) )
-       {
-               Glib::ustring label = Utils::regexp_label( output, "ID_FS_LABEL=([^\n]*)" ) ;
-               //FIXME: find a better way to see if label is empty.. imagine someone uses 'untitled' as 
label.... ;)
-               if ( label != "untitled" )
-                       partition.set_filesystem_label( label );
-               else
-                       partition.set_filesystem_label( "" );
-       }
-       else
-       {
-               if ( ! output .empty() )
-                       partition.push_back_message( output );
-               
-               if ( ! error .empty() )
-                       partition.push_back_message( error );
-       }
-}
-
 bool hfsplus::create( const Partition & new_partition, OperationDetail & operationdetail )
 {
        Glib::ustring cmd = "";