This fixes int4 regression as follows:
1. Remove int4_1.out, which is now redundant,
2. Reflect additional ORDER BY clause in int4.out

	modified:   src/test/regress/expected/int4.out
	deleted:    src/test/regress/expected/int4_1.out
This commit fixes a bug that GTM ramains control file opened.  Stefan Himpich
reported the bug and suggested a fix.