[haddock] remove redundant "A module that" from each module description

Author: mauke

data-default-class/Data/Default/Class.hs

@@ -43,7 +43,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 {-|
 Module      : Data.Default.Class
-Description : A module that defines a class for types with a default value.
+Description : Defines a class for types with a default value.
 
 This module defines a class for types with a default value.
 It also defines 'Default' instances for the types 'Int', 'Int8',

data-default-instances-base/Data/Default/Instances/Base.hs

@@ -35,9 +35,9 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 {-|
 Module      : Data.Default.Instances.Base
-Description : A module that reexports the instances from the 'Data.Default.Class' module.
+Description : Reëxports the instances from the 'Data.Default.Class' module.
 
-This module reexports the 'Data.Default.Class.Default' instances from the
+This module reëxports the 'Data.Default.Class.Default' instances from the
 'Data.Default.Class' module.
 -}
 module Data.Default.Instances.Base () where

data-default-instances-containers/Data/Default/Instances/Containers.hs

@@ -37,7 +37,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 {-|
 Module      : Data.Default.Instances.Containers
-Description : A module that defines 'Default' instances for container types.
+Description : Defines 'Default' instances for container types.
 
 This module defines 'Default' instances for the types 'S.Set', 'M.Map',
 'IntMap', 'IntSet', 'Seq', and 'Tree'.

data-default-instances-dlist/Data/Default/Instances/DList.hs

@@ -37,7 +37,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 {-|
 Module      : Data.Default.Instances.DList
-Description : A module that defines 'Default' instances for the type 'DList'.
+Description : Defines 'Default' instances for the type 'DList'.
 
 This module defines 'Default' instances for the type 'DList'.
 -}

data-default-instances-old-locale/Data/Default/Instances/OldLocale.hs

@@ -37,7 +37,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 {-|
 Module      : Data.Default.Instances.OldLocale
-Description : A module that defines 'Default' instances for the type 'TimeLocale'.
+Description : Defines 'Default' instances for the type 'TimeLocale'.
 
 This module defines 'Default' instances for the type 'TimeLocale'.
 -}

data-default/Data/Default.hs

@@ -35,7 +35,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 {-|
 Module      : Data.Default
-Description : A module that defines a class for types with a default value.
+Description : Defines a class for types with a default value.
 
 This module defines a class for types with a default value. Instances are
 provided for '()', 'Data.Set.Set', 'Data.Map.Map', 'Int', 'Integer',