[tools] testbot/orm: Remove the $ColPrefix BuildKeyWhere() parameter.

[Francois Gouget]

It is unused.

Signed-off-by: Francois Gouget 
---
 testbot/lib/ObjectModel/DBIBackEnd.pm | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/testbot/lib/ObjectModel/DBIBackEnd.pm b/testbot/lib/ObjectModel/DBIBackEnd.pm
index 10cc1f3c3..dc527d465 100644
--- a/testbot/lib/ObjectModel/DBIBackEnd.pm
+++ b/testbot/lib/ObjectModel/DBIBackEnd.pm
@@ -132,9 +132,9 @@ sub FromDb($$$)
   return $Value;
 }

-sub BuildKeyWhere($$$$)
+sub BuildKeyWhere($$$)
 {
-  my ($self, $PropertyDescriptors, $ColPrefix, $Where) = @_;
+  my ($self, $PropertyDescriptors, $Where) = @_;

foreach my $PropertyDescriptor (@{$PropertyDescriptors})
   {
@@ -146,7 +146,7 @@ sub BuildKeyWhere($$$$)
         {
           $Where .= " AND ";
         }
-        $Where .= $ColPrefix . $ColName . " = ?";
+        $Where .= "$ColName = ?";
       }
     }
   }
@@ -363,8 +363,7 @@ sub LoadItem($$$)
     $Where = join(" = ? AND ", @{$MasterColNames}) . " = ?";
     push @Data, @{$MasterColValues};
   }
-  $Where = $self->BuildKeyWhere($Collection->GetPropertyDescriptors(), "",
-                                $Where);
+  $Where = $self->BuildKeyWhere($Collection->GetPropertyDescriptors(), $Where);
   push @Data, $Collection->SplitKey($RequestedKey);

my $Query = "SELECT $Fields FROM " . $Collection->GetTableName();
@@ -480,7 +479,7 @@ sub BuildUpdateStatement($$$$)
   {
     $Where = join(" = ? AND ", @{$MasterColNames}) . " = ?";
   }
-  $Where = $self->BuildKeyWhere($PropertyDescriptors, "", $Where);
+  $Where = $self->BuildKeyWhere($PropertyDescriptors, $Where);

return "UPDATE $TableName SET $Fields WHERE $Where";
 }
@@ -606,8 +605,7 @@ sub DeleteItem($$)
     $Where = join(" = ? AND ", @{$MasterColNames}) . " = ?";
     push @Data, @{$MasterColValues};
   }
-  $Where = $self->BuildKeyWhere($Item->GetPropertyDescriptors(), "",
-                                $Where);
+  $Where = $self->BuildKeyWhere($Item->GetPropertyDescriptors(), $Where);
   push @Data, $Item->GetKeyComponents();

my $Statement = $self->GetDb()->prepare("DELETE FROM " .