remove unneeded file

libvncserver/tightvnc-filetransfer/Makefile.am

-AM_CFLAGS=-g -Wall -I $(top_srcdir)
-
-includedir=$(prefix)/include/rfb
-
-noinst_HEADERS=filelistinfo.h  filetransfermsg.h \
-	handlefiletransferrequest.h  rfbtightproto.h
-
-LIB_SRCS = rfbtightserver.c handlefiletransferrequest.c filetransfermsg.c \
-	filelistinfo.c
-
-tightvnc_filetransfer_a_SOURCES=$(LIB_SRCS)
-
-lib_LIBRARIES=tightvnc-filetransfer.a
-
-