Remove unused include for <vector>

PiperOrigin-RevId: 300784111
Change-Id: I1e2cc67fb9cf5bc2fa0f734dbeaeaa3b9b943aae
diff --git a/src/dsp/film_grain.cc b/src/dsp/film_grain.cc
index 2952535..99c9b34 100644
--- a/src/dsp/film_grain.cc
+++ b/src/dsp/film_grain.cc
@@ -20,7 +20,6 @@
 #include <cstdint>
 #include <cstring>
 #include <new>
-#include <vector>
 
 #include "src/dsp/common.h"
 #include "src/dsp/constants.h"