Revert "add nilassign linter" (#2154)

This reverts commit bbf0450.

Author: ldez

go.mod

@@ -66,7 +66,6 @@ require (
 	github.com/shazow/go-diff v0.0.0-20160112020656-b6b7b6733b8c
 	github.com/shirou/gopsutil/v3 v3.21.7
 	github.com/sirupsen/logrus v1.8.1
-	github.com/sivchari/nilassign v0.1.0
 	github.com/sonatard/noctx v0.0.1
 	github.com/sourcegraph/go-diff v0.6.1
 	github.com/spf13/cobra v1.2.1

go.sum

@@ -485,11 +485,6 @@ func (m Manager) GetAllSupportedLinterConfigs() []*linter.Config {
 			WithLoadForGoAnalysis().
 			WithPresets(linter.PresetBugs).
 			WithURL("https://github.com/gostaticanalysis/nilerr"),
-		linter.NewConfig(golinters.NewNilAssign()).
-			WithSince("v1.42.0").
-			WithLoadForGoAnalysis().
-			WithPresets(linter.PresetBugs).
-			WithURL("https://github.com/sivchari/nilassign"),
 		linter.NewConfig(golinters.NewForceTypeAssert()).
 			WithSince("v1.38.0").
 			WithPresets(linter.PresetStyle).