[x265] [PATCH 3 of 3] cleanups: Remove unnecessary reset

[deepthidevaki at multicorewareinc.com]

# HG changeset patch
# User Deepthi Devaki <deepthidevaki at multicorewareinc.com>
# Date 1383040610 -19800
# Node ID 4d3fea9339da59862fdd4e916ac5eb1efaaebdc1
# Parent  4e667bcda40397960f0ce412f2be8a366d24b6d2
cleanups: Remove unnecessary reset.

If refIdx is set to NOT_VALID, mv will not be used. Hence resetting MVs to 0 can be safely removed.

diff -r 4e667bcda403 -r 4d3fea9339da source/Lib/TLibCommon/TComMotionInfo.cpp
--- a/source/Lib/TLibCommon/TComMotionInfo.cpp	Tue Oct 29 15:22:28 2013 +0530
+++ b/source/Lib/TLibCommon/TComMotionInfo.cpp	Tue Oct 29 15:26:50 2013 +0530
@@ -89,12 +89,6 @@
 
 void TComCUMvField::clearMvField()
 {
-    for (int i = 0; i < m_numPartitions; i++)
-    {
-        m_mv[i] = 0;
-        m_mvd[i] = 0;
-    }
-
     assert(sizeof(*m_refIdx) == 1);
     memset(m_refIdx, NOT_VALID, m_numPartitions * sizeof(*m_refIdx));
 }