Remove NO_THREADS fallback code, Godot 4 requires thread support

This also removes `OS::can_use_threads` from the public API since it's always
true.

1 files changed, 0 insertions, 6 deletions

diff --git a/core/core_bind.cpp b/core/core_bind.cpp
index a164221fc2..9152b4a215 100644
--- a/core/core_bind.cpp
+++ b/core/core_bind.cpp
@@ -425,10 +425,6 @@ void OS::delay_msec(int p_msec) const {
 	::OS::get_singleton()->delay_usec(int64_t(p_msec) * 1000);
 }
 
-bool OS::can_use_threads() const {
-	return ::OS::get_singleton()->can_use_threads();
-}
-
 bool OS::is_userfs_persistent() const {
 	return ::OS::get_singleton()->is_userfs_persistent();
 }
@@ -561,8 +557,6 @@ void OS::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("is_userfs_persistent"), &OS::is_userfs_persistent);
 	ClassDB::bind_method(D_METHOD("is_stdout_verbose"), &OS::is_stdout_verbose);
 
-	ClassDB::bind_method(D_METHOD("can_use_threads"), &OS::can_use_threads);
-
 	ClassDB::bind_method(D_METHOD("is_debug_build"), &OS::is_debug_build);
 
 	ClassDB::bind_method(D_METHOD("get_static_memory_usage"), &OS::get_static_memory_usage);