Revert^2 "Include all_aconfig_declarations in docs dist"

This reverts commit 60d430760527d3665160bfa78890b740306b3488.

Reason for revert: The build target is discussed as safe to be copied to the dist directory

Change-Id: I0e59a826991631ffcd77af97c8f51c8b9002c14e
diff --git a/aconfig/all_aconfig_declarations.go b/aconfig/all_aconfig_declarations.go
index 72fe495..e771d05 100644
--- a/aconfig/all_aconfig_declarations.go
+++ b/aconfig/all_aconfig_declarations.go
@@ -89,7 +89,7 @@
 
 func (this *allAconfigDeclarationsSingleton) MakeVars(ctx android.MakeVarsContext) {
 	ctx.DistForGoal("droid", this.intermediateBinaryProtoPath)
-	for _, goal := range []string{"droid", "sdk"} {
+	for _, goal := range []string{"docs", "droid", "sdk"} {
 		ctx.DistForGoalWithFilename(goal, this.intermediateBinaryProtoPath, "flags.pb")
 		ctx.DistForGoalWithFilename(goal, this.intermediateTextProtoPath, "flags.textproto")
 	}