Merge VectorTypes.hs into Vector.hs

Graphics/Diagram/Gif.hs

@@ -2,7 +2,6 @@
 
 module Graphics.Diagram.Gif where
 
-import Algebra.VectorTypes
 import Algorithms.GrahamScan
 import Codec.Picture.Gif
 import qualified Data.ByteString.Char8 as B

Graphics/Diagram/Plotter.hs

@@ -2,7 +2,7 @@
 
 module Graphics.Diagram.Plotter where
 
-import Algebra.VectorTypes
+import Algebra.Vector(PT,Square)
 import Algorithms.GrahamScan
 import Algorithms.QuadTree
 import Algorithms.KDTree

Graphics/Diagram/Types.hs

@@ -3,7 +3,6 @@
 module Graphics.Diagram.Types where
 
 import Algebra.Vector
-import Algebra.VectorTypes
 import Diagrams.Backend.Cairo
 import Diagrams.Prelude
 import MyPrelude