Remove CLI-level flags

Since we don't expect users to be interacting with
shared-everything-threads modules from the command line, hide this for
now.

Author: abrown

crates/cli-flags/src/lib.rs

@@ -358,8 +358,6 @@ wasmtime_option_group! {
         pub tail_call: Option<bool>,
         /// Configure support for the threads proposal.
         pub threads: Option<bool>,
-        /// Configure support for the shared-everything-threads proposal.
-        pub shared_everything_threads: Option<bool>,
         /// Configure support for the memory64 proposal.
         pub memory64: Option<bool>,
         /// Configure support for the component-model proposal.
@@ -1016,7 +1014,6 @@ impl CommonOptions {
             ("component-model-async", component_model_async_builtins, wasm_component_model_async_builtins)
             ("component-model-async", component_model_async_stackful, wasm_component_model_async_stackful)
             ("threads", threads, wasm_threads)
-            ("shared-everything-threads", shared_everything_threads, wasm_shared_everything_threads)
             ("gc", gc, wasm_gc)
             ("gc", reference_types, wasm_reference_types)
             ("gc", function_references, wasm_function_references)