Improve several almost-matching TUs (#2653)

src/d/actor/d_a_grass.cpp

@@ -9,13 +9,10 @@
 #include "SSystem/SComponent/c_counter.h"
 #include "SSystem/SComponent/c_math.h"
 #include "d/d_com_inf_game.h"
-#include "dol2asm.h"
-#include "m_Do/m_Do_lib.h"
 #include "Z2AudioLib/Z2Instances.h"
 #include <string.h>
-#include <dolphin/gd.h>
 
-#include "d/actor/d_grass.inc"
+#include "d/actor/d_grass.inc" // IWYU pragma: keep
 #include "d/actor/d_flower.inc"
 
 /* 8051BD4C-8051BEFC 0000EC 01B0+00 1/1 0/0 0/0 .text            randam_addcol_set__FPs */
@@ -86,6 +83,9 @@ void daGrass_c::deleteGrass() {
     }
 }
 
+dGrass_packet_c::~dGrass_packet_c() {
+}
+
 /* 8051C040-8051C074 0003E0 0034+00 1/1 0/0 0/0 .text            executeGrass__9daGrass_cFv */
 void daGrass_c::executeGrass() {
     if (m_grass != NULL) {