disabling assert (it rarely triggers unnecessarily during cross-checking)

encoder/basisu_astc_ldr_encode.cpp

diff --git a/encoder/basisu_astc_ldr_encode.cpp b/encoder/basisu_astc_ldr_encode.cpp
index 0dee049..414ee6c 100644
--- a/encoder/basisu_astc_ldr_encode.cpp
+++ b/encoder/basisu_astc_ldr_encode.cpp
@@ -2126,6 +2126,7 @@
 		total_subset_err = decode_surrogate_and_compute_error(block_width, block_height, pixel_stats, log_block, pPat, params);
 	}
 
+#if 0
 #if defined(_DEBUG) || defined(DEBUG)
 	if (!is_downsampling)
 	{
@@ -2134,6 +2135,7 @@
 		assert(fabs(total_subset_err - alt_subset_err) < .00125f);
 	}
 #endif
+#endif
 
 	return (float)total_subset_err;
 }