Remove unused variables.

g_comment_start and g_comment_end have been unused since commit 30ab5bd. Daniel Gustafsson Discussion: https://postgr.es/m/[email protected]

Author: tglsfdc

src/bin/pg_dump/pg_dump.c

@@ -122,11 +122,6 @@ static SimpleOidList tabledata_exclude_oids = {NULL, NULL};
 static SimpleStringList foreign_servers_include_patterns = {NULL, NULL};
 static SimpleOidList foreign_servers_include_oids = {NULL, NULL};
 
-
-/* placeholders for the delimiters for comments */
-char g_comment_start[10];
-char g_comment_end[10];
-
 static const CatalogId nilCatalogId = {0, 0};
 
 /* override for standard extra_float_digits setting */
@@ -405,9 +400,6 @@ main(int argc, char **argv)
 */
 init_parallel_dump_utils();
 
-strcpy(g_comment_start, "-- ");
-g_comment_end[0] = '\0';
-
 progname = get_progname(argv[0]);
 
 if (argc > 1)

src/bin/pg_dump/pg_dump.h

@@ -639,10 +639,6 @@ typedef struct _extensionMemberId
 ExtensionInfo *ext; /* owning extension */
 } ExtensionMemberId;
 
-/* placeholders for comment starting and ending delimiters */
-extern char g_comment_start[10];
-extern char g_comment_end[10];
-
 /*
 *	common utility functions
 */