Remove unused mips workarounds.

This was never really finished, and hasn't been supported for years.

Test: treehugger
Change-Id: I7668088d1449f33025aaf36fae0817894c84a877
diff --git a/core/envsetup.mk b/core/envsetup.mk
index 04a970f..e38329d 100644
--- a/core/envsetup.mk
+++ b/core/envsetup.mk
@@ -101,7 +101,7 @@
 
 # ---------------------------------------------------------------
 # Set up configuration for host machine.  We don't do cross-
-# compiles except for arm/mips, so the HOST is whatever we are
+# compiles except for arm, so the HOST is whatever we are
 # running on
 
 # HOST_OS