Revert "Add InDelta() and InEpsilon() to docs and remove doc duplication."
Revert "Add InDelta() and InEpsilon() to docs and remove doc duplication."

This reverts commit d8398675f90a9d8c93784ecf08cb4edc78bcc99d.

brahmaroutu/testify,danielchatfield/testify,AnuchitPrasertsang/testify,liudhzhyym/testify,pki-io/testify,stretchr/testify,wallclockbuilder/testify,glittershark/testify,davelondon/ktest,MCProHosting/testify,ifraixedes/testify,Fiery/testify,yaoshipu/testify,yxd-hde/testify,csquared/testify,insionng/testify,roth1002/testify,multiplay/testify,codygibb/testify,bmatsuo/testify,yxd-hde/testify,hawx/assert,dvln/testify,mesosphere/testify,outrightmental/go-testify,hpcloud/testify,ANPez/testify,andymoon/testify,betable/testify,allgeek/testify,grepory/testify,embroker/testify,stretchr/testify,ernesto-jimenez/testify,irnnr/testify