installDependencies : Delete files from bin

On Windows, the DLL files are in the installation `bin` directory and
need to be removed before building.

Author: ericmehl

config/installDependencies.py

@@ -111,6 +111,7 @@
 	os.path.join( "include", "IECore*" ),
 	os.path.join( "lib", "libIECore*" ),
 	os.path.join( "lib", "IECore*" ),
+	os.path.join( "bin", "IECore*" ),
 	os.path.join( "python", "IECore*" ),
 	os.path.join( "resources", "IECore*" ),
 	"procedurals",