Revert CC related changes.

Revert: "X86_64: Add allocation entrypoint switching for CC is_marking"
Revert: "Fix mips build in InitEntryPoints"
Revert: "Fix mac build in ResetQuickAllocEntryPoints"

Test: test-art-target-run-test
Change-Id: If38d44edf8c5def5c4d8c9419e4af0cd8d3be724
diff --git a/runtime/entrypoints/quick/quick_alloc_entrypoints.h b/runtime/entrypoints/quick/quick_alloc_entrypoints.h
index bd1e295..14a8e04 100644
--- a/runtime/entrypoints/quick/quick_alloc_entrypoints.h
+++ b/runtime/entrypoints/quick/quick_alloc_entrypoints.h
@@ -23,9 +23,7 @@
 
 namespace art {
 
-// is_marking is only used for CC, if the GC is marking the allocation entrypoint is the marking
-// one.
-void ResetQuickAllocEntryPoints(QuickEntryPoints* qpoints, bool is_marking);
+void ResetQuickAllocEntryPoints(QuickEntryPoints* qpoints);
 
 // Runtime shutdown lock is necessary to prevent races in thread initialization. When the thread is
 // starting it doesn't hold the mutator lock until after it has been added to the thread list.