Move io.streams.string from core to basis

core/checksums/crc32/crc32.factor

@@ -1,7 +1,7 @@
 ! Copyright (C) 2006 Doug Coleman
 ! See http://factorcode.org/license.txt for BSD license.
 USING: kernel math sequences sequences.private namespaces
-words io io.binary io.files io.streams.string quotations
+words io io.binary io.files quotations
 definitions checksums ;
 IN: checksums.crc32
 

core/parser/parser.factor

@@ -3,7 +3,7 @@
 USING: arrays definitions generic assocs kernel math namespaces
 sequences strings vectors words words.symbol quotations io
 combinators sorting splitting math.parser effects continuations
-io.files io.streams.string vocabs io.encodings.utf8 source-files
+io.files vocabs io.encodings.utf8 source-files
 classes hashtables compiler.errors compiler.units accessors sets
 lexer vocabs.parser ;
 IN: parser