Remove superfluous errRecover from simpleExec
Remove superfluous errRecover from simpleExec

All of its callers are already recovering from errors (like they should
be), so this is just unnecessary overhead.

ympons/pq,VividCortex/pq,bugreplaydev/pq,flynn/pq,beni55/pq,lib/pq,ympons/pq,cbandy/go-pq,johto/pq,jnewmano/pq,StabbyCutyou/pq,henrylee2cn/pq,springning/pq,dongzerun/pq,jnewmano/pq,amaniak/pq,bugreplaydev/pq,calebthompson/pq,everalbum/pq,sammi/pq,stvp/pq,ScriptRock/pq,erichnascimento/pq