SDL: Removed redundant thread-safety information

From 1f8f82b379fff40281eb15157f18531b4ede95e4 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Wed, 18 Oct 2023 22:19:50 -0700
Subject: [PATCH] Removed redundant thread-safety information

---
 include/SDL3/SDL_properties.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/SDL3/SDL_properties.h b/include/SDL3/SDL_properties.h
index 01ae37d05e00..9d01c9381ab9 100644
--- a/include/SDL3/SDL_properties.h
+++ b/include/SDL3/SDL_properties.h
@@ -151,7 +151,7 @@ extern DECLSPEC int SDLCALL SDL_ClearProperty(SDL_PropertiesID props, const char
  * Destroy a set of properties
  *
  * All properties are deleted and their cleanup functions will be called, if
- * any. The set of properties must be unlocked when it is destroyed.
+ * any.
  *
  * \param props the properties to destroy
  *