Removed all components relating to the unsupported error estimation code

.../utilities/errorEstimation/estimateScalarError/Make/files

...tilities/errorEstimation/estimateScalarError/Make/options

...errorEstimation/estimateScalarError/estimateScalarError.C

...ons/utilities/errorEstimation/icoErrorEstimate/Make/files

...s/utilities/errorEstimation/icoErrorEstimate/Make/options

...ities/errorEstimation/icoErrorEstimate/icoErrorEstimate.C

...tions/utilities/errorEstimation/icoMomentError/Make/files

...ons/utilities/errorEstimation/icoMomentError/Make/options

...utilities/errorEstimation/icoMomentError/icoMomentError.C

...ns/utilities/errorEstimation/momentScalarError/Make/files

.../utilities/errorEstimation/momentScalarError/Make/options

...ies/errorEstimation/momentScalarError/momentScalarError.C

...ns/utilities/miscellaneous/foamDebugSwitches/Make/options