Revert "Integer.bitCount and Long.bitCount intrinsics for ARM"

Fails 564:

[ 80% 771/967] build test-art-target-run-test-debug-prebuild-optimizing-relocate-ntrace-cms-checkjni-image-npictest-ndebuggable-564-checker-bitcount32
checker exit status: 1
/b/build/slave/hammerhead-debug/build/art/test/564-checker-bitcount: FAILED!
 
#################### info
# Unit test for 32-bit and 64-bit bit count operation.
#################### diffs
--- expected.txt	2016-06-08 02:57:45.570840797 -0700
+++ output.txt	2016-06-29 09:45:45.813173505 -0700
@@ -1 +1,3 @@
 passed
+error: Test case not found in the CFG file
+Main.java:32: int Main.$noinline$BitCountByte(byte) intrinsics_recognition (after)
####################
 
564-checker-bitcount files deleted from host 
and from target
test-art-target-run-test-debug-prebuild-optimizing-relocate-ntrace-cms-checkjni-image-npictest-ndebuggable-564-checker-bitcount32 FAILED

This reverts commit 2a17419c.

Change-Id: I263cfc09ebf78956cd1e86a0bb59ba1b36ffeafe