Cleanup: remove function that does not do anything (#6580)

Signed-off-by: Tobias Guggenmos <tguggenm@redhat.com>

promql/lex.go

@@ -343,13 +343,6 @@ func (l *Lexer) run() {
 	}
 }
 
-// Release resources used by lexer.
-func (l *Lexer) close() {
-	for range l.Items {
-		// Consume.
-	}
-}
-
 // lineComment is the character that starts a line comment.
 const lineComment = "#"
 

promql/parse.go

@@ -206,7 +206,6 @@ func (p *parser) recover(errp *error) {
 	} else if e != nil {
 		*errp = e.(error)
 	}
-	p.lex.close()
 }
 
 // Lex is expected by the yyLexer interface of the yacc generated parser.