The header width should match the table format

Issue: DEB-152

src/definition/index.js

@@ -18,9 +18,6 @@ const definition = {
       },
       uses: 'data'
     },
-    sorting: {
-      uses: 'sorting'
-    },
     settings: {
       items: {
         ConceptSemaphores: conceptSemaphores,
@@ -31,25 +28,8 @@ const definition = {
       },
       uses: 'settings'
     },
-    about: {
-      component: 'items',
-      label: 'About',
-      items: {
-        header: {
-          label: 'P&L pivot',
-          style: 'header',
-          component: 'text'
-        },
-        paragraph1: {
-          label: `P&L pivot is a Qlik Sense extension which allows you to display Profit & Loss
-            reporting with color and font customizations.`,
-          component: 'text'
-        },
-        paragraph2: {
-          label: 'P&L pivot is based upon an extension created by Ivan Felipe Asensio.',
-          component: 'text'
-        }
-      }
+    sorting: {
+      uses: 'sorting'
     }
   },
   type: 'items'

src/headers-table/measurement-column-header.jsx

@@ -50,7 +50,7 @@ const MeasurementColumnHeader = ({ baseCSS, general, hasSecondDimension, measure
   };
   return (
     <th
-      className={`grid-cells2 ${general.cellSuffix}`}
+      className={`grid-cells2${general.cellSuffix}`}
       style={style}
     >
       <span