Update bleve dependency to latest master revision (#6100)

* update bleve to master b17287a86f6cac923a5d886e10618df994eeb54b6724eac2e3b8dde89cfbe3a2

* remove unused pkg from dep file

* change bleve from master to recent revision

vendor/github.com/blevesearch/bleve/document/field_datetime.go

@@ -17,12 +17,21 @@ package document
 import (
 	"fmt"
 	"math"
+	"reflect"
 	"time"
 
 	"github.com/blevesearch/bleve/analysis"
 	"github.com/blevesearch/bleve/numeric"
+	"github.com/blevesearch/bleve/size"
 )
 
+var reflectStaticSizeDateTimeField int
+
+func init() {
+	var f DateTimeField
+	reflectStaticSizeDateTimeField = int(reflect.TypeOf(f).Size())
+}
+
 const DefaultDateTimeIndexingOptions = StoreField | IndexField | DocValues
 const DefaultDateTimePrecisionStep uint = 4
 
@@ -37,6 +46,12 @@ type DateTimeField struct {
 	numPlainTextBytes uint64
 }
 
+func (n *DateTimeField) Size() int {
+	return reflectStaticSizeDateTimeField + size.SizeOfPtr +
+		len(n.name) +
+		len(n.arrayPositions)*size.SizeOfUint64
+}
+
 func (n *DateTimeField) Name() string {
 	return n.name
 }