Remove _qc variable not yet populated

pca/l1b-pcs/anc/cris_l1b_pcs.cdl

@@ -495,17 +495,6 @@ variables:
               string rad_global_pcs:units="1";
               string rad_global_pcs:description="real spectral radiance as global principal component scores";
 
-           byte rad_global_pcs_qc(atrack, xtrack, fov);
-                byte rad_global_pcs_qc:valid_range=0,  2;
-              string rad_global_pcs_qc:long_name="rad_pcs QC";
-              string rad_global_pcs_qc:coordinates="lon lat";
-                byte rad_global_pcs_qc:_FillValue=-1b;
-                byte rad_global_pcs_qc:flag_values=0,  1,  2;
-              string rad_global_pcs_qc:coverage_content_type="qualityInformation";
-              string rad_global_pcs_qc:standard_name="toa_outgoing_radiance_per_unit_wavenumber status_flag";
-              string rad_global_pcs_qc:description="rad_pcs QC flag";
-              string rad_global_pcs_qc:flag_meanings="Best Good Do_Not_Use";
-
           double rad_local_pcs(atrack, xtrack, fov, localpc);
               string rad_local_pcs:long_name="real spectral radiance principal component score";
               string rad_local_pcs:coordinates="lon lat";