Remove unused #include's from bin .c files

as determined by IWYU

Similar to commit dbbca2cf29, but for bin and some related files.

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

src/common/controldata_utils.c

@@ -28,8 +28,8 @@
 #include "access/xlog_internal.h"
 #include "catalog/pg_control.h"
 #include "common/controldata_utils.h"
-#include "common/file_perm.h"
 #ifdef FRONTEND
+#include "common/file_perm.h"
 #include "common/logging.h"
 #endif
 #include "port/pg_crc32c.h"

src/common/string.c

@@ -22,7 +22,6 @@
 #endif
 
 #include "common/string.h"
-#include "lib/stringinfo.h"
 
 
 /*

src/common/unicode_case.c

@@ -17,7 +17,6 @@
 
 #include "common/unicode_case.h"
 #include "common/unicode_case_table.h"
-#include "common/unicode_category.h"
 #include "mb/pg_wchar.h"
 
 static const pg_case_map *find_case_map(pg_wchar ucs);