Remove `sleep` statement

No longer seems needed - though a little unsure as to use in the first place???

dual_regression

@@ -127,7 +127,7 @@ if [ $NAF2 -eq 1 ] ; then
         ZSTATS="${ZSTATS} ${OUTPUT}/MM_${s}/stats/thresh_zstat${n}"
       done
       echo "$FSLDIR/bin/melodic -i ${OUTPUT}/dr_stage2_${s} --ICs=${OUTPUT}/dr_stage2_${s} --mix=${OUTPUT}/tmp.txt -o ${OUTPUT}/MM_${s} --Oall --report -v --mmthresh=0" >> ${LOGDIR}/drD1
-      echo "$FSLDIR/bin/fslmerge -t ${OUTPUT}/MM_${s}/stats/thresh2 ${ZSTATS}; sleep 10 ; \
+      echo "$FSLDIR/bin/fslmerge -t ${OUTPUT}/MM_${s}/stats/thresh2 ${ZSTATS}; \
             $FSLDIR/bin/imrm \`\$FSLDIR/bin/imglob ${OUTPUT}/MM_${s}/stats/thresh_zstat*.*\` ; \
             cp ${OUTPUT}/MM_${s}/stats/thresh2.nii.gz ${OUTPUT}/MM_${s}/stats/thresh2_negative.nii.gz ; \
             cp ${OUTPUT}/MM_${s}/stats/thresh2.nii.gz ${OUTPUT}/MM_${s}/stats/thresh2_positive.nii.gz ; \