SoftGPU: Keep the compile flushes on builds without the JIT

Skipping them is only a speed-up, but it changes how states get batched and
optimized, which changes the rendered output (NBA 2K13 and Virtua Tennis
frame dumps). Keep the old behaviour until that's understood.

Co-Authored-By: Claude Opus 5.5 (1M context) <[email protected]>

GPU/Software/Sampler.cpp

@@ -164,10 +164,6 @@ void SamplerJitCache::Flush() {
 }
 
 NearestFunc SamplerJitCache::GetByID(const SamplerID &id, size_t key, BinManager *binner) {
-#if !(PPSSPP_ARCH(AMD64) && !PPSSPP_PLATFORM(UWP))
-	// Compile() is a no-op here, so don't flush the binner for nothing.
-	return nullptr;
-#endif
 	std::unique_lock<std::mutex> guard(jitCacheLock);
 	
 	NearestFunc func;