SDL: timer: Use the emscripten-specific code on Emscripten, even with threading. (cfc41)

SDL Commits
1 
From cfc41248bea85d3b19c3607d84d18fe69c2917ab Mon Sep 17 00:00:00 2001
From: "Ryan C. Gordon" <[EMAIL REDACTED]>
Date: Tue, 30 Dec 2025 17:33:59 -0500
Subject: [PATCH] timer: Use the emscripten-specific code on Emscripten, even
 with threading.

Fixes #14640.

(cherry picked from commit 4d8f84f161cd73c8a700ec546009708443fa63ca)
---
 src/timer/SDL_timer.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/timer/SDL_timer.c b/src/timer/SDL_timer.c
index 2fa6553037750..7f7ea3332e6b9 100644
--- a/src/timer/SDL_timer.c
+++ b/src/timer/SDL_timer.c
@@ -25,7 +25,7 @@
 
 // #define DEBUG_TIMERS
 
-#if !defined(SDL_PLATFORM_EMSCRIPTEN) || !defined(SDL_THREADS_DISABLED)
+#if !defined(SDL_PLATFORM_EMSCRIPTEN)
 
 typedef struct SDL_Timer
 {
@@ -407,7 +407,7 @@ bool SDL_RemoveTimer(SDL_TimerID id)
     }
 }
 
-#else
+#else   // Emscripten-specific implementation.
 
 #include <emscripten/emscripten.h>
 #include <emscripten/eventloop.h>
@@ -533,7 +533,7 @@ bool SDL_RemoveTimer(SDL_TimerID id)
     }
 }
 
-#endif // !SDL_PLATFORM_EMSCRIPTEN || !SDL_THREADS_DISABLED
+#endif // !SDL_PLATFORM_EMSCRIPTEN
 
 static Uint64 tick_start;
 static Uint32 tick_numerator_ns;