Static-check fixes from @lespea #1657, batch 8/n (#1710)

pkg/output/record_writer_csv.go

@@ -14,7 +14,6 @@ import (
 
 type RecordWriterCSV struct {
 	writerOptions     *cli.TWriterOptions
-	ofs0              byte // Go's CSV library only lets its 'Comma' be a single character
 	csvWriter         *csv.Writer
 	needToPrintHeader bool
 	firstRecordKeys   []string

pkg/output/record_writer_markdown.go

@@ -12,7 +12,6 @@ import (
 
 type RecordWriterMarkdown struct {
 	writerOptions *cli.TWriterOptions
-	ors           string
 
 	numHeaderLinesOutput int
 	lastJoinedHeader     string

pkg/transformers/fill_down.go

@@ -116,7 +116,6 @@ func transformerFillDownParseCLI(
 type TransformerFillDown struct {
 	// input
 	fillDownFieldNames []string
-	doAll              bool
 	onlyIfAbsent       bool
 
 	// state

pkg/transformers/step.go

@@ -260,7 +260,6 @@ type TransformerStep struct {
 	// STATE
 
 	// Scratch space used per-record
-	valueFieldValues []mlrval.Mlrval
 	// Map from group-by field names to value-field names to stepper name to stepper object.  See
 	// the Transform method below for more details.
 	groups map[string]map[string]map[string]tStepper