all: remove many cases of space-space

Change-Id: I49eb8410d4143c67dfccf027f8b2794e66963415
Reviewed-on: https://go-review.googlesource.com/c/tools/+/212580
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
diff --git a/present/code_test.go b/present/code_test.go
index b01a4e3..e3d96af 100644
--- a/present/code_test.go
+++ b/present/code_test.go
@@ -157,7 +157,7 @@
 			err:        "main.go:0: no match for function main",
 		},
 		{
-			name:       "all code with  numbers",
+			name:       "all code with numbers",
 			readFile:   read(helloTest, nil),
 			sourceFile: "main.go",
 			cmd:        ".code -numbers main.go",