Docs: Remove Push valgrind to the device and adb root from Run the system server

Bug: 28383779
Change-Id: I5c5ff71cac8b7c146da7ed3c17915ddd5708f1ba
diff --git a/src/devices/tech/debug/index.jd b/src/devices/tech/debug/index.jd
index d45fafd..3e78fd1 100644
--- a/src/devices/tech/debug/index.jd
+++ b/src/devices/tech/debug/index.jd
@@ -157,16 +157,10 @@
 C++.</p>
 
 <ol>
-  <li>To install Valgrind, run:
+  <li>To build Valgrind, run:
 <pre>
 $ mmma -j6 external/valgrind
 </pre>
-  <li>Push Valgrind to the device:
-    <br>
-<pre>
-$ adb remount
-$ adb sync
-</pre>
   <li>Set up the temporary directory:
 <pre>
 $ adb shell mkdir /data/local/tmp
@@ -174,7 +168,6 @@
 </pre>
   <li>Run the system server with Valgrind:
 <pre>
-$ adb root
 $ adb shell setprop wrap.system_server "logwrapper valgrind"
 $ adb shell stop && adb shell start
 </pre>