Removed unused tool/deps

- Removed unused tool deps.

Signed-off-by: naveensrinivasan <172697+naveensrinivasan@users.noreply.github.com>

hack/tools/go.mod

@@ -4,9 +4,9 @@ go 1.18
 
 require (
 	github.com/AdaLogics/go-fuzz-headers v0.0.0-20220708163326-82d177caec6e
-	github.com/dvyukov/go-fuzz v0.0.0-20220220162807-a217d9bdbece
 	github.com/go-swagger/go-swagger v0.30.3
 	github.com/google/trillian v1.5.0
+	github.com/wadey/gocovmerge v0.0.0-20160331181800-b5bfa59ec0ad
 )
 
 require (
@@ -30,7 +30,6 @@ require (
 	github.com/coreos/go-semver v0.3.0 // indirect
 	github.com/coreos/go-systemd/v22 v22.3.2 // indirect
 	github.com/cyphar/filepath-securejoin v0.2.3 // indirect
-	github.com/elazarl/go-bindata-assetfs v1.0.1 // indirect
 	github.com/envoyproxy/go-control-plane v0.10.2-0.20220325020618-49ff273808a1 // indirect
 	github.com/envoyproxy/protoc-gen-validate v0.6.2 // indirect
 	github.com/felixge/httpsnoop v1.0.3 // indirect
@@ -88,11 +87,9 @@ require (
 	github.com/spf13/jwalterweatherman v1.1.0 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
 	github.com/spf13/viper v1.12.0 // indirect
-	github.com/stephens2424/writerset v1.0.2 // indirect
 	github.com/subosito/gotenv v1.3.0 // indirect
 	github.com/toqueteos/webbrowser v1.2.0 // indirect
 	github.com/transparency-dev/merkle v0.0.1 // indirect
-	github.com/wadey/gocovmerge v0.0.0-20160331181800-b5bfa59ec0ad // indirect
 	go.etcd.io/etcd/api/v3 v3.5.4 // indirect
 	go.etcd.io/etcd/client/pkg/v3 v3.5.4 // indirect
 	go.etcd.io/etcd/client/v3 v3.5.4 // indirect