Fix duplicated test case in TAP tests of reindexdb

The same test for REINDEX (VERBOSE) was done twice, while it is clear
that the second test should use --concurrently.  Issue introduced in
5dc92b84, for what looks like a copy-paste mistake.

Reviewed-by: Mark Dilger
Discussion: https://postgr.es/m/A7AE97EA-F4B0-4CAB-8FFF-3FECD31F9D63@enterprisedb.com
Backpatch-through: 12

src/bin/scripts/t/090_reindexdb.pl

@@ -64,9 +64,9 @@ $node->issues_sql_like(
 $node->command_fails([ 'reindexdb', '--concurrently', '-s', 'postgres' ],
 	'reindex system tables concurrently');
 $node->issues_sql_like(
-	[ 'reindexdb', '-v', '-t', 'test1', 'postgres' ],
-	qr/statement: REINDEX \(VERBOSE\) TABLE public\.test1;/,
-	'reindex with verbose output');
+	[ 'reindexdb', '--concurrently', '-v', '-t', 'test1', 'postgres' ],
+	qr/statement: REINDEX \(VERBOSE\) TABLE CONCURRENTLY public\.test1;/,
+	'reindex with verbose output concurrently');
 
 # connection strings
 $node->command_ok([qw(reindexdb --echo --table=pg_am dbname=template1)],