Remove timezone interface from wasi-clocks (bytecodealliance#7515)

* delete wasi-clocks timezone interface: import wit changes from WebAssembly/wasi-clocks#55

* remove other references to wasi:clocks/timezone in wits

* remove todo! implementation of clocks/timezone and add_to_linker funcs

crates/wasi-http/wit/deps/cli/reactor.wit

@@ -3,7 +3,6 @@ package wasi:[email protected];
 world reactor {
   import wasi:clocks/wall-clock@0.2.0-rc-2023-11-05;
   import wasi:clocks/monotonic-clock@0.2.0-rc-2023-11-05;
-  import wasi:clocks/timezone@0.2.0-rc-2023-11-05;
   import wasi:filesystem/types@0.2.0-rc-2023-11-05;
   import wasi:filesystem/preopens@0.2.0-rc-2023-11-05;
   import wasi:sockets/instance-network@0.2.0-rc-2023-11-05;

crates/wasi-http/wit/deps/clocks/world.wit

@@ -3,5 +3,4 @@ package wasi:[email protected];
 world imports {
     import monotonic-clock;
     import wall-clock;
-    import timezone;
 }

crates/wasi-http/wit/deps/http/proxy.wit

@@ -8,7 +8,6 @@ world proxy {
   /// HTTP proxies have access to time and randomness.
   import wasi:clocks/wall-clock@0.2.0-rc-2023-11-05;
   import wasi:clocks/monotonic-clock@0.2.0-rc-2023-11-05;
-  import wasi:clocks/timezone@0.2.0-rc-2023-11-05;
   import wasi:random/random@0.2.0-rc-2023-11-05;
 
   /// Proxies have standard output and error streams which are expected to

crates/wasi/src/preview2/command.rs

@@ -11,7 +11,6 @@ wasmtime::component::bindgen!({
        "wasi:clocks/monotonic_clock": crate::preview2::bindings::clocks::monotonic_clock,
        "wasi:io/poll": crate::preview2::bindings::io::poll,
        "wasi:io/streams": crate::preview2::bindings::io::streams,
-       "wasi:clocks/timezone": crate::preview2::bindings::clocks::timezone,
        "wasi:clocks/wall_clock": crate::preview2::bindings::clocks::wall_clock,
        "wasi:random/random": crate::preview2::bindings::random::random,
        "wasi:cli/environment": crate::preview2::bindings::cli::environment,
@@ -30,7 +29,6 @@ wasmtime::component::bindgen!({
 pub fn add_to_linker<T: WasiView>(l: &mut wasmtime::component::Linker<T>) -> anyhow::Result<()> {
     crate::preview2::bindings::clocks::wall_clock::add_to_linker(l, |t| t)?;
     crate::preview2::bindings::clocks::monotonic_clock::add_to_linker(l, |t| t)?;
-    crate::preview2::bindings::clocks::timezone::add_to_linker(l, |t| t)?;
     crate::preview2::bindings::filesystem::types::add_to_linker(l, |t| t)?;
     crate::preview2::bindings::filesystem::preopens::add_to_linker(l, |t| t)?;
     crate::preview2::bindings::io::poll::add_to_linker(l, |t| t)?;
@@ -71,7 +69,6 @@ pub mod sync {
            "wasi:clocks/monotonic_clock": crate::preview2::bindings::clocks::monotonic_clock,
            "wasi:io/poll": crate::preview2::bindings::sync_io::io::poll,
            "wasi:io/streams": crate::preview2::bindings::sync_io::io::streams,
-           "wasi:clocks/timezone": crate::preview2::bindings::clocks::timezone,
            "wasi:clocks/wall_clock": crate::preview2::bindings::clocks::wall_clock,
            "wasi:random/random": crate::preview2::bindings::random::random,
            "wasi:cli/environment": crate::preview2::bindings::cli::environment,
@@ -92,7 +89,6 @@ pub mod sync {
     ) -> anyhow::Result<()> {
         crate::preview2::bindings::clocks::wall_clock::add_to_linker(l, |t| t)?;
         crate::preview2::bindings::clocks::monotonic_clock::add_to_linker(l, |t| t)?;
-        crate::preview2::bindings::clocks::timezone::add_to_linker(l, |t| t)?;
         crate::preview2::bindings::sync_io::filesystem::types::add_to_linker(l, |t| t)?;
         crate::preview2::bindings::filesystem::preopens::add_to_linker(l, |t| t)?;
         crate::preview2::bindings::sync_io::io::poll::add_to_linker(l, |t| t)?;

crates/wasi/src/preview2/host/clocks.rs

@@ -2,7 +2,6 @@
 
 use crate::preview2::bindings::{
     clocks::monotonic_clock::{self, Duration as WasiDuration, Instant},
-    clocks::timezone::{self, TimezoneDisplay},
     clocks::wall_clock::{self, Datetime},
 };
 use crate::preview2::poll::{subscribe, Subscribe};
@@ -102,13 +101,3 @@ impl Subscribe for Deadline {
         }
     }
 }
-
-impl<T: WasiView> timezone::Host for T {
-    fn display(&mut self, when: Datetime) -> anyhow::Result<TimezoneDisplay> {
-        todo!("timezone display is not implemented")
-    }
-
-    fn utc_offset(&mut self, when: Datetime) -> anyhow::Result<i32> {
-        todo!("timezone utc_offset is not implemented")
-    }
-}

crates/wasi/wit/deps/cli/reactor.wit

@@ -3,7 +3,6 @@ package wasi:[email protected];
 world reactor {
   import wasi:clocks/wall-clock@0.2.0-rc-2023-11-05;
   import wasi:clocks/monotonic-clock@0.2.0-rc-2023-11-05;
-  import wasi:clocks/timezone@0.2.0-rc-2023-11-05;
   import wasi:filesystem/types@0.2.0-rc-2023-11-05;
   import wasi:filesystem/preopens@0.2.0-rc-2023-11-05;
   import wasi:sockets/instance-network@0.2.0-rc-2023-11-05;

crates/wasi/wit/deps/clocks/world.wit

@@ -3,5 +3,4 @@ package wasi:[email protected];
 world imports {
     import monotonic-clock;
     import wall-clock;
-    import timezone;
 }

crates/wasi/wit/deps/http/proxy.wit

@@ -8,7 +8,6 @@ world proxy {
   /// HTTP proxies have access to time and randomness.
   import wasi:clocks/wall-clock@0.2.0-rc-2023-11-05;
   import wasi:clocks/monotonic-clock@0.2.0-rc-2023-11-05;
-  import wasi:clocks/timezone@0.2.0-rc-2023-11-05;
   import wasi:random/random@0.2.0-rc-2023-11-05;
 
   /// Proxies have standard output and error streams which are expected to