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/fe_utils/astreamer_file.c

@@ -19,7 +19,6 @@
 
 #include "common/file_perm.h"
 #include "common/logging.h"
-#include "common/string.h"
 #include "fe_utils/astreamer.h"
 
 typedef struct astreamer_plain_writer

src/fe_utils/astreamer_gzip.c

@@ -32,9 +32,7 @@
 #include <zlib.h>
 #endif
 
-#include "common/file_perm.h"
 #include "common/logging.h"
-#include "common/string.h"
 #include "fe_utils/astreamer.h"
 
 #ifdef HAVE_LIBZ

src/fe_utils/astreamer_lz4.c

@@ -21,9 +21,7 @@
 #include <lz4frame.h>
 #endif
 
-#include "common/file_perm.h"
 #include "common/logging.h"
-#include "common/string.h"
 #include "fe_utils/astreamer.h"
 
 #ifdef USE_LZ4