Revert "Create and fix all tests for singlenode deployment"

This reverts commit efef6de.

Author: Ray-Eldath

src/test/isolation/Makefile

@@ -89,10 +89,6 @@ installcheck: all gpdiff.pl gpstringsubs.pl install-tests
 	$(pg_isolation_regress_installcheck) --init-file=$(srcdir)/init_file --load-extension=pageinspect --schedule=$(srcdir)/isolation_schedule
 	$(bindir)/dropdb --if-exists isolation_regression
 
-installcheck-singlenode: all gpdiff.pl gpstringsubs.pl install-tests
-	$(pg_isolation_regress_installcheck) --init-file=$(srcdir)/init_file --load-extension=pageinspect --schedule=$(srcdir)/isolation_schedule
-	$(bindir)/dropdb --if-exists isolation_regression
-
 check: all
 	$(pg_isolation_regress_check) --schedule=$(srcdir)/isolation_schedule
 

src/test/regress/expected/aggregates_optimizer.out

@@ -1306,12 +1306,6 @@ select (select max(min(unique1)) from int8_tbl) from tenk1;
 ERROR:  aggregate function calls cannot be nested
 LINE 1: select (select max(min(unique1)) from int8_tbl) from tenk1;
                            ^
-select avg((select avg(a1.col1 order by (select avg(a2.col2) from tenk1 a3))
-            from tenk1 a1(col1)))
-from tenk1 a2(col2);
-ERROR:  aggregate function calls cannot be nested
-LINE 1: select avg((select avg(a1.col1 order by (select avg(a2.col2)...
-                                                        ^
 --
 -- Test removal of redundant GROUP BY columns
 --

src/test/regress/expected/domain_optimizer.out

@@ -576,15 +576,6 @@ HINT:  For non-partitioned tables, run analyze <table_name>(<column_list>). For
  {"(1,5)"}
 (1 row)
 
--- if there's no constraints, a different code path is taken:
-alter domain dcomptype drop constraint dcomptype_check;
-update dcomptable set f1[1].cf1 = -1;  -- now ok
-table dcomptable;
-     f1     
-------------
- {"(-1,5)"}
-(1 row)
-
 drop table dcomptable;
 drop type comptype cascade;
 NOTICE:  drop cascades to type dcomptype