Remove Data::Dumper from modules that does not use it.

modules/Bio/EnsEMBL/AlignStrainSlice.pm

@@ -68,9 +68,6 @@ use Bio::EnsEMBL::Mapper;
 use Bio::EnsEMBL::Mapper::RangeRegistry;
 use Bio::EnsEMBL::Utils::Exception qw(throw deprecate warning);
 
-use Data::Dumper;
-
-
 =head2 new
 
     Arg[1]      : Bio::EnsEMBL::Slice $Slice

modules/Bio/EnsEMBL/DBSQL/DnaAlignFeatureAdaptor.pm

@@ -45,7 +45,6 @@ superclasses.
 package Bio::EnsEMBL::DBSQL::DnaAlignFeatureAdaptor;
 use vars qw(@ISA);
 use strict;
-use Data::Dumper;
 use Bio::EnsEMBL::DnaDnaAlignFeature;
 use Bio::EnsEMBL::DBSQL::BaseAlignFeatureAdaptor;
 use Bio::EnsEMBL::Utils::Exception qw(throw warning);

modules/Bio/EnsEMBL/DBSQL/ProteinFeatureAdaptor.pm

@@ -50,7 +50,6 @@ use strict;
 use Bio::EnsEMBL::DBSQL::BaseAdaptor;
 use Bio::EnsEMBL::ProteinFeature;
 use Bio::EnsEMBL::Utils::Exception qw(throw deprecate warning);
-use Data::Dumper;
 
 use vars qw(@ISA);
 @ISA = qw(Bio::EnsEMBL::DBSQL::BaseAdaptor);

modules/Bio/EnsEMBL/DensityFeatureSet.pm

@@ -52,8 +52,6 @@ use warnings;
 
 use Bio::EnsEMBL::Utils::Argument qw(rearrange);
 use Bio::EnsEMBL::Utils::Exception qw(throw);
-use Data::Dumper;
-
 
 =head2 new
 

modules/Bio/EnsEMBL/IndividualSlice.pm

@@ -76,7 +76,6 @@ use Bio::EnsEMBL::Slice;
 use Bio::EnsEMBL::Mapper;
 use Bio::EnsEMBL::Utils::Exception qw(throw deprecate warning);
 
-use Data::Dumper;
 @ISA = qw(Bio::EnsEMBL::Slice);
 
 

modules/Bio/EnsEMBL/IndividualSliceFactory.pm

@@ -27,8 +27,6 @@ use Bio::EnsEMBL::Slice;
 use Bio::EnsEMBL::Mapper;
 use Bio::EnsEMBL::Utils::Exception qw(throw deprecate warning);
 
-use Data::Dumper;
-
 =head2 new
 =cut