chore: gofumpt (#11839)

* fumpt using main not master...

* be more descriptive

* fumpt

* fix nits

Co-authored-by: Julien Robert <julien@rbrt.fr>

x/simulation/params_test.go

@@ -43,8 +43,7 @@ func TestNewWeightedProposalContent(t *testing.T) {
 	require.Equal(t, content, pContent.ContentSimulatorFn()(nil, ctx, nil))
 }
 
-type testContent struct {
-}
+type testContent struct{}
 
 func (t testContent) GetTitle() string       { return "" }
 func (t testContent) GetDescription() string { return "" }