fix(charts): update chart types for latest directory structure (#4468)

Co-authored-by: Nicole Thoen <[email protected]>

Author: dlabrecq

packages/documentation-framework/scripts/md/typecheck.js

@@ -38,9 +38,6 @@ const defaultImports = [
   'react',
   '@reach/router',
   '@patternfly/react-charts/echarts',
-  '@patternfly/react-charts/next',
-  '@patternfly/react-charts/next/echarts',
-  '@patternfly/react-charts/next/victory',
   '@patternfly/react-charts/victory',
   '@patternfly/react-core/next',
   '@patternfly/react-core/deprecated',