Deprecate wavread and wavwrite. * NEWS: Announce deprecation and replacement functions. * scripts/deprecated/wavread.m, scripts/deprecated/wavwrite.m: Moved from scripts/audio. Add deprecation message to docstring. Add deprecation warning to m-file. * scripts/audio/module.mk: Remove from build system. * scripts/deprecated/module.mk: Add deprecated versions to build system. * audio.txi: Remove functions from manual.

--- a/scripts/deprecated/module.mk
+++ b/scripts/deprecated/module.mk
@@ -19,7 +19,9 @@
   scripts/deprecated/saveaudio.m \
   scripts/deprecated/setaudio.m \
   scripts/deprecated/syl.m \
-  scripts/deprecated/usage.m
+  scripts/deprecated/usage.m \
+  scripts/deprecated/wavread.m \
+  scripts/deprecated/wavwrite.m
 
 scripts_deprecateddir = $(fcnfiledir)/deprecated