delete stackcheck config file and ignore some staticcheck checks

.travis.yml

@@ -55,7 +55,7 @@ after_script:
   - rm -rf ./res/var/*
 script:
   - go test -v ./...
-  - staticcheck -show-ignored
+  - staticcheck -show-ignored -checks "-ST1017", "-U1000", "-ST1005","-S1034","-S1012","-SA4006","-ST1003","-SA6005","-SA1019"
   - unconvert $(go list ./... | grep -v /vendor/)
   - ineffassign .
   - find . ! \( -path './vendor' -prune \) -type f -name '*.go' -print0 | xargs -0 gofmt -l -s

session/redis_sentinel/sess_redis_sentinel_test.go

@@ -23,6 +23,7 @@ func TestRedisSentinel(t *testing.T) {
 		t.Log(e)
 		return
 	}
+	//todo test if e==nil
 	go globalSessions.GC()
 
 	r, _ := http.NewRequest("GET", "/", nil)

staticcheck.conf

@@ -1 +0,0 @@
-checks = ["all", "-ST1017", "-U1000", "-ST1005","-S1034","-S1012","-SA4006","-ST1005","-SA6005","-SA1019"]