Remove unused #include's from backend .c files

as determined by IWYU

These are mostly issues that are new since commit dbbca2cf29.

Discussion: https://www.postgresql.org/message-id/flat/0df1d5b1-8ca8-4f84-93be-121081bde049%40eisentraut.org

src/backend/storage/aio/read_stream.c

@@ -89,7 +89,6 @@
  */
 #include "postgres.h"
 
-#include "catalog/pg_tablespace.h"
 #include "miscadmin.h"
 #include "storage/fd.h"
 #include "storage/smgr.h"

src/backend/storage/buffer/buf_init.c

@@ -16,7 +16,6 @@
 
 #include "storage/buf_internals.h"
 #include "storage/bufmgr.h"
-#include "storage/proc.h"
 
 BufferDescPadded *BufferDescriptors;
 char	   *BufferBlocks;

src/backend/storage/file/fd.c

@@ -93,7 +93,6 @@
 #include "common/pg_prng.h"
 #include "miscadmin.h"
 #include "pgstat.h"
-#include "portability/mem.h"
 #include "postmaster/startup.h"
 #include "storage/fd.h"
 #include "storage/ipc.h"

src/backend/storage/ipc/ipci.c

@@ -31,7 +31,6 @@
 #include "postmaster/autovacuum.h"
 #include "postmaster/bgworker_internals.h"
 #include "postmaster/bgwriter.h"
-#include "postmaster/postmaster.h"
 #include "postmaster/walsummarizer.h"
 #include "replication/logicallauncher.h"
 #include "replication/origin.h"
@@ -50,7 +49,6 @@
 #include "storage/procarray.h"
 #include "storage/procsignal.h"
 #include "storage/sinvaladt.h"
-#include "storage/spin.h"
 #include "utils/guc.h"
 #include "utils/injection_point.h"
 

src/backend/storage/ipc/sinvaladt.c

@@ -17,7 +17,6 @@
 #include <signal.h>
 #include <unistd.h>
 
-#include "access/transam.h"
 #include "miscadmin.h"
 #include "storage/ipc.h"
 #include "storage/proc.h"

src/backend/storage/lmgr/lmgr.c

@@ -24,7 +24,6 @@
 #include "storage/lmgr.h"
 #include "storage/proc.h"
 #include "storage/procarray.h"
-#include "storage/sinvaladt.h"
 #include "utils/inval.h"
 
 

src/backend/storage/lmgr/lock.c

@@ -41,7 +41,6 @@
 #include "pg_trace.h"
 #include "storage/proc.h"
 #include "storage/procarray.h"
-#include "storage/sinvaladt.h"
 #include "storage/spin.h"
 #include "storage/standby.h"
 #include "utils/memutils.h"

src/backend/storage/lmgr/s_lock.c

@@ -51,7 +51,6 @@
 #include <unistd.h>
 
 #include "common/pg_prng.h"
-#include "port/atomics.h"
 #include "storage/s_lock.h"
 #include "utils/wait_event.h"
 

src/backend/storage/page/checksum.c

@@ -19,4 +19,4 @@
  * external programs can incorporate the checksum code by #include'ing
  * that file from the exported Postgres headers.  (Compare our CRC code.)
  */
-#include "storage/checksum_impl.h"
+#include "storage/checksum_impl.h"	/* IWYU pragma: keep */

src/backend/storage/smgr/bulk_write.c

@@ -36,7 +36,6 @@
 
 #include "access/xloginsert.h"
 #include "access/xlogrecord.h"
-#include "storage/bufmgr.h"
 #include "storage/bufpage.h"
 #include "storage/bulk_write.h"
 #include "storage/proc.h"