Revert "function `formatDim` should consider format spec"
Revert "function `formatDim` should consider format spec"

This reverts commit 28309df360555f9409d3d624bfa5e5c5659b17ae.

LJeub/matlab2tikz,nidrosianDeath/matlab2tikz,egeerardyn/matlab2tikz,miscco/matlab2tikz,PeterPablo/matlab2tikz,matlab2tikz/matlab2tikz,matlab2tikz/matlab2tikz,RPeschke/matlab2tikz,egeerardyn/matlab2tikz