overlay: Remove obsolete code from pipe config path

Remove obsolete / unused code from pipe config path like pipe crop
modification for rotator downscale, 3D, pipestate.

Change-Id: I34ec80dce8736f65069794f21fbd56922304cb8b
diff --git a/liboverlay/overlayMdp.cpp b/liboverlay/overlayMdp.cpp
index 4bdefc5..7f9f136 100644
--- a/liboverlay/overlayMdp.cpp
+++ b/liboverlay/overlayMdp.cpp
@@ -54,7 +54,6 @@
     utils::memset0(mOVInfo);
     mOVInfo.id = MSMFB_NEW_REQUEST;
     mOrientation = utils::OVERLAY_TRANSFORM_0;
-    mDownscale = 0;
     mDpy = 0;
 #ifdef USES_POST_PROCESSING
     memset(&mParams, 0, sizeof(struct compute_params));
@@ -147,13 +146,7 @@
 }
 
 void MdpCtrl::doDownscale() {
-    int mdpVersion = MDPVersion::getInstance().getMDPVersion();
-    if(mdpVersion < MDSS_V5) {
-        mOVInfo.src_rect.x >>= mDownscale;
-        mOVInfo.src_rect.y >>= mDownscale;
-        mOVInfo.src_rect.w >>= mDownscale;
-        mOVInfo.src_rect.h >>= mDownscale;
-    } else if(MDPVersion::getInstance().supportsDecimation()) {
+    if(MDPVersion::getInstance().supportsDecimation()) {
         utils::getDecimationFactor(mOVInfo.src_rect.w, mOVInfo.src_rect.h,
                 mOVInfo.dst_rect.w, mOVInfo.dst_rect.h, mOVInfo.horz_deci,
                 mOVInfo.vert_deci);
@@ -224,12 +217,6 @@
     ovutils::getDump(buf, len, "Data", mOvData);
 }
 
-void MdpCtrl3D::dump() const {
-    ALOGE("== Dump MdpCtrl start ==");
-    mFd.dump();
-    ALOGE("== Dump MdpCtrl end ==");
-}
-
 bool MdpCtrl::setVisualParams(const MetaData_t& data) {
     ALOGD_IF(0, "In %s: data.operation = %d", __FUNCTION__, data.operation);
 #ifdef USES_POST_PROCESSING