Remove now-extraneous check on sample table offset

r:wantehchang

src/read.c

diff --git a/src/read.c b/src/read.c
index f258846..e314407 100644
--- a/src/read.c
+++ b/src/read.c
@@ -341,9 +341,6 @@
             sample->data.size = sampleSize;
             sample->sync = AVIF_FALSE; // to potentially be set to true following the outer loop
 
-            if (sampleOffset > (uint64_t)rawInput->size) {
-                return AVIF_FALSE;
-            }
             if ((sampleOffset + sampleSize) > (uint64_t)rawInput->size) {
                 return AVIF_FALSE;
             }