Update TODO: filter extension was added

TODO-PHP5

@@ -48,26 +48,6 @@ Responsibility: Shane Caraveo & each sapi module owner
 Timeframe:      ? (but shouldn't be much effort, most modules are probably ok)
 
 
-Component:      Input Filtering
-                - Implement a SAPI input filter hook that will get called
-                  just before registering a variable in the 
-                  treat_data/post_handler hooks.  (done)
-                - Make sure this is also done in mbstring  (done)
-                - Provide access functions, or perhaps a new 
-                  $_RAW_GET/POST/Cookie set of superglobals to get at the
-                  unfiltered data
-                - Provide a .ini directive which allows people to set their
-                  input filter to one of the built-in strip_tags,
-                  htmlspecialchars or whatever other internal function might
-                  be useful here.
-                - (The main benefit of this is to make it easier for people
-                   to solve the XSS problem once and for all without having
-                   to go through every line of their code and adding input
-                   validation/filtering everywhere)
-Responsibility: Rasmus
-Timeframe:      Yesterday
-
-
 Component:      RPC Abstraction Layer
                 Porting java, com, dotnet, xmlrpc, corba, soap and python, srm
                 (are there more ?) to work with the new oo api and preferably