Remove pg upgrade in travis tests

Author: brianc

Makefile

@@ -24,11 +24,11 @@ test: test-unit
 test-all: jshint test-unit test-integration test-native test-binary
 
 test-travis: test-all upgrade-pg
-	@make test-all connectionString=postgres://postgres@localhost:5433/postgres
+	#@make test-all connectionString=postgres://postgres@localhost:5433/postgres
 
 upgrade-pg:
-	@chmod 755 script/travis-pg-9.2-install.sh
-	@./script/travis-pg-9.2-install.sh
+	#@chmod 755 script/travis-pg-9.2-install.sh
+	#@./script/travis-pg-9.2-install.sh
 
 bench:
 	@find benchmark -name "*-bench.js" | $(node-command)