Remove -align flag from gofmt.

(Making it work correctly with -spaces is a bit of work and the output
won't make much sense as it is intended as input to tabwriter.)
Fixes #100.

R=rsc
https://golang.org/cl/154102

src/cmd/gofmt/doc.go

@@ -24,8 +24,6 @@ The flags are:
 		align with spaces instead of tabs.
 	-tabwidth=8
 		tab width in spaces.
-	-align=true
-		align columns.
 
 Debugging flags:
 

src/cmd/gofmt/gofmt.go

@@ -28,7 +28,6 @@ var (
 	trace		= flag.Bool("trace", false, "print parse trace");
 
 	// layout control
-	align		= flag.Bool("align", true, "align columns");
 	tabwidth	= flag.Int("tabwidth", 8, "tab width");
 	usespaces	= flag.Bool("spaces", false, "align with spaces instead of tabs");
 )
@@ -63,9 +62,6 @@ func parserMode() uint {
 
 func printerMode() uint {
 	mode := uint(0);
-	if !*align {
-		mode |= printer.RawFormat
-	}
 	if *usespaces {
 		mode |= printer.UseSpaces
 	}