Merge pull request #2192 from NNPDF/clean_legacy_fixed_target_dis_kin…

…ematics

Exterminate k1,k2,k3 from Fixed target data

nnpdf_data/nnpdf_data/commondata/BCDMS_NC_NOTFIXED_D/metadata.yaml

@@ -18,44 +18,44 @@ implemented_observables:
     description: Deep Inelastic Scattering
     label: BCDMS $d$
     units: ''
-  process_type: DIS_F2D
+  process_type: DIS_NC
   tables: []
   npoints: []
   ndata: 254
   plotting:
-    kinematics_override: dis_sqrt_scale
+    kinematics_override: identity
     theory_reference: Bertone:2013vaa
     dataset_label: BCDMS $d$
     y_label: $10^{i}F_2(x,Q^2)$
     result_transform: qbindis
     data_reference: bcdms2
     y_scale: symlog
     line_by:
-    - k1
+    - x
     normalize:
       y_scale: linear
       line_by: []
       figure_by:
-      - k1
-      - k3
-    plot_x: k2
+      - x
+      - y
+    plot_x: Q2
   kinematic_coverage:
-  - k1
-  - k2
-  - k3
+  - x
+  - Q2
+  - y
   kinematics:
     variables:
-      k1:
-        description: Variable k1
-        label: k1
+      x:
+        description: Bjorken x
+        label: '$x$'
         units: ''
-      k2:
-        description: Variable k2
-        label: k2
+      Q2:
+        description:  Momentum transfer
+        label: '$Q^2$'
         units: ''
-      k3:
-        description: Variable k3
-        label: k3
+      y:
+        description: Inelasticity
+        label: '$y$'
         units: ''
     file: kinematics_EM-F2.yaml
   theory: