Remove deprecated v8-defaults.h and defaults.cc.

BUG=312241
LOG=Y
R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/59823008

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@17909 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Remove deprecated v8::SetResourceConstraints without Isolate parameter

LOG=Y
R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/62193003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@17910 ce2b1a6d-e550-0410-aec6-3dcde31c8c00