Remove erroring update message function

debian/patches/15-remove-update-message.diff

+Description: Remove unnecessary message to update yarn
+  which was also causing error
+Forwarded: not-needed
+Author: Akshay S Dinesh <akshay@learnlearn.in>
+
+Index: node-yarnpkg/src/cli/commands/install.js
+===================================================================
+--- node-yarnpkg.orig/src/cli/commands/install.js
++++ node-yarnpkg/src/cli/commands/install.js
+@@ -735,7 +735,6 @@ export class Install {
+         if (auditFoundProblems) {
+           this.reporter.warn(this.reporter.lang('auditRunAuditForDetails'));
+         }
+-        this.maybeOutputUpdate();
+         return flattenedTopLevelPatterns;
+       }
+     }
+@@ -749,7 +748,6 @@ export class Install {
+     }
+     await this.saveLockfileAndIntegrity(topLevelPatterns, workspaceLayout);
+     await this.persistChanges();
+-    this.maybeOutputUpdate();
+     this.config.requestManager.clearCache();
+     return flattenedTopLevelPatterns;
+   }

debian/patches/series

@@ -13,3 +13,4 @@
 12-fileDependencies.map.diff
 fix-for-schema-utils-3.diff
 14-fix-babel-7.diff
+15-remove-update-message.diff