Remove InstallBypassMake and ToMakePath

InstallBypassMake and ToMakePath are obsolete, remove them.

Bug: 204136549
Test: m checkbuild
Change-Id: Ie5a6f7254b3d317ed6039e114ed6aec35e1ce273
diff --git a/filesystem/bootimg.go b/filesystem/bootimg.go
index 73d807d..fc973a4 100644
--- a/filesystem/bootimg.go
+++ b/filesystem/bootimg.go
@@ -267,7 +267,7 @@
 		OutputFile: android.OptionalPathForPath(b.output),
 		ExtraEntries: []android.AndroidMkExtraEntriesFunc{
 			func(ctx android.AndroidMkExtraEntriesContext, entries *android.AndroidMkEntries) {
-				entries.SetString("LOCAL_MODULE_PATH", b.installDir.ToMakePath().String())
+				entries.SetString("LOCAL_MODULE_PATH", b.installDir.String())
 				entries.SetString("LOCAL_INSTALLED_MODULE_STEM", b.installFileName())
 			},
 		},