remove xcpretty as it hides build errors

scripts/test.e2e.ios.js

   const scheme = release ? `playground_release` : `playground`;
   const conf = release ? `Release` : `Debug`;
 
-  const cmd = `RCT_NO_LAUNCH_PACKAGER=true
+  exec.execSync(`RCT_NO_LAUNCH_PACKAGER=true
             cd ./playground/ios && xcodebuild
             build
             -scheme ${scheme}
             -sdk iphonesimulator
             -configuration ${conf}
             -derivedDataPath ./DerivedData/playground
-            ONLY_ACTIVE_ARCH=YES`;
-
-  if (exec.which(`xcpretty`)) {
-    exec.execSync(`${cmd} | xcpretty && exit \${PIPESTATUS[0]}`);
-  } else {
-    exec.execSync(`${cmd}`);
-  }
+            ONLY_ACTIVE_ARCH=YES && echo $?`);
 }
 
 function runDetoxUsingMocha() {

scripts/test.unit.ios.js

 
 const release = _.includes(process.argv, 'release');
 
-function runWithXcpretty(cmd) {
-  // if (exec.which(`xcpretty`)) {
-  //   exec.execSync(`${cmd} | xcpretty && exit \${PIPESTATUS[0]}`);
-  // } else {
-  exec.execSync(`${cmd}`);
-  // }
-}
-
 function run() {
   const conf = release ? `Release` : `Debug`;
-  runWithXcpretty(`RCT_NO_LAUNCH_PACKAGER=true
+  exec.execSync(`RCT_NO_LAUNCH_PACKAGER=true
           cd ./playground/ios && xcodebuild
             build build-for-testing
             -scheme "ReactNativeNavigation"
             -configuration ${conf}
             -derivedDataPath ./DerivedData/playground
             ONLY_ACTIVE_ARCH=YES && echo $?`);
-  runWithXcpretty(`RCT_NO_LAUNCH_PACKAGER=true
+  exec.execSync(`RCT_NO_LAUNCH_PACKAGER=true
           cd ./playground/ios && xcodebuild
             test-without-building
             -scheme "ReactNativeNavigation"