missed file

Author: Kelly Churchill

src/components/NextPrevious/NextPrevious.js

@@ -203,12 +203,10 @@ export default class NextPrevious extends React.Component {
     if (prevPagePath === undefined) {
       let prevSection = sectionArray[parseInt(currentSectionIndex) - 1];
       let prevSectionObject = navigation[prevSection];
-      if (GATSBY_ENV !== 'internal') {
-        while (prevSection && prevSectionObject.internal === true) {
-          currentSectionIndex--;
-          prevSection = sectionArray[parseInt(currentSectionIndex) - 1];
-          prevSectionObject = navigation[prevSection];
-        }
+      while (prevSection) {
+        currentSectionIndex--;
+        prevSection = sectionArray[parseInt(currentSectionIndex) - 1];
+        prevSectionObject = navigation[prevSection];
       }
       if (prevSection) {
         prevPagePath = `${prevSection}`;
@@ -227,13 +225,12 @@ export default class NextPrevious extends React.Component {
     if (nextPagePath === undefined) {
       let nextSection = sectionArray[parseInt(currentSectionIndex) + 1];
       let nextSectionObject = navigation[nextSection];
-      if (GATSBY_ENV !== 'internal') {
-        while (nextSection && nextSectionObject.internal === true) {
-          currentSectionIndex++;
-          nextSection = sectionArray[parseInt(currentSectionIndex) + 1];
-          nextSectionObject = navigation[nextSection];
-        }
+      while (nextSection) {
+        currentSectionIndex++;
+        nextSection = sectionArray[parseInt(currentSectionIndex) + 1];
+        nextSectionObject = navigation[nextSection];
       }
+
       if (nextSection) {
         nextPagePath = `${nextSection}`;
         const nextHasSubnav = typeof nextSectionObject['sub-nav'] === 'object';