Makefile cleanup and removed generated pxi file.

Makefile

-#@+leo-ver=4
-#@+node:@file Makefile
-#all: java-grammar
-
-PY_INCLUDE=/usr/include/python2.3
-
 all: module doco
 
 module:
@@ -18,9 +12,7 @@ doco:
 clean:
 	rm -rf *~ *.output tokens.h *.tab.* *.yy.c java-grammar new.* *.o *.so dummy build *.pxi *-lexer.c
 	rm -rf *-parser.y *-parser.c *-parser.h pybison.c pybison.h
-	rm -rf bison.c bison.h 
+	rm -rf bison.c bison.h
 	rm -rf *.pyc
 	rm -rf tmp.*
 	rm -f src/pyrex/bison_.pxi src/pyrex/bison_.c src/pyrex/bison_.h
-#@-node:@file Makefile
-#@-leo

src/pyrex/bison_.pxi

-cdef extern object (py_callback(object ,char (*),int ,int ,void (*),...))
-cdef extern void (py_input(object ,char (*),int (*),int ))