Revert "Issue #10778: switch to ppc64le arch to avoid usage of paid c…

…redits"

This reverts commit a8c31bb.

.ci/jsoref-spellchecker/whitelist.words

@@ -1024,7 +1024,6 @@ POJO
 Popup
 Postgresql
 powermock
-ppc
 Ppitest
 prebuilts
 printf

.travis.yml

@@ -1,7 +1,6 @@
 version: ~> 1.0
-dist: focal
-# this arch is required as is for Partner Queue Solution - DO NOT MODIFY
-arch: ppc64le
+dist: xenial
+os: linux
 language: java
 
 cache:
@@ -196,14 +195,15 @@ after_success:
       fi
   - |
     set -e
+    fail=0
     mkdir -p .ci-temp
     if [ -z "$(ls -A .ci-temp)" ]; then
         echo "Folder .ci-temp/ is empty."
     else
         echo "Folder .ci-temp/ is not empty. Verification failed."
         echo "Contents of .ci-temp/:"
-        ls -A .ci-temp
-        sleep 5s
-        exit 1
+        fail=1
     fi
+    ls -A .ci-temp
     sleep 5s
+    exit $fail