Obsolete BUILD_BROKEN_PHONY_TARGETS

There are no remaining users.

Also mark BUILD_BROKEN_ANDROIDMK_EXPORTS and BUILD_BROKEN_ENG_DEBUG_TAGS
as deprecated in scripts/build_broken_logs.go

Test: treehugger
Change-Id: If7892bef1b9001f12a99565f886b395cf1985e70
diff --git a/ui/build/config.go b/ui/build/config.go
index 7eb3a72..c298f00 100644
--- a/ui/build/config.go
+++ b/ui/build/config.go
@@ -53,9 +53,8 @@
 
 	pdkBuild bool
 
-	brokenDupRules     bool
-	brokenPhonyTargets bool
-	brokenUsesNetwork  bool
+	brokenDupRules    bool
+	brokenUsesNetwork bool
 
 	pathReplaced bool
 }
@@ -615,14 +614,6 @@
 	return c.brokenDupRules
 }
 
-func (c *configImpl) SetBuildBrokenPhonyTargets(val bool) {
-	c.brokenPhonyTargets = val
-}
-
-func (c *configImpl) BuildBrokenPhonyTargets() bool {
-	return c.brokenPhonyTargets
-}
-
 func (c *configImpl) SetBuildBrokenUsesNetwork(val bool) {
 	c.brokenUsesNetwork = val
 }