No colors when grepping.

CHANGELOG.md

@@ -66,6 +66,9 @@ To install release candidates run `[sudo] gem install cocoapods --pre`
   [Samuel Giddins](https://github.com/segiddins)
   [#3038](https://github.com/CocoaPods/CocoaPods/issues/3038)
 
+* Removing grep color mark up in embed frameworks script.
+  [Adriano Bonat](https://github.com/tanob)
+  [#3117](https://github.com/CocoaPods/CocoaPods/issues/3117)
 
 ## 0.36.0.beta.2
 

lib/cocoapods/generator/embed_frameworks_script.rb

@@ -74,7 +74,7 @@ module Pod
             local basename
             basename=$(echo $1 | sed -E s/\\\\..+// && exit ${PIPESTATUS[0]})
             local swift_runtime_libs
-            swift_runtime_libs=$(xcrun otool -LX "${CONFIGURATION_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/$1/${basename}" | grep @rpath/libswift | sed -E s/@rpath\\\\/\\(.+dylib\\).*/\\\\1/g | uniq -u  && exit ${PIPESTATUS[0]})
+            swift_runtime_libs=$(xcrun otool -LX "${CONFIGURATION_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/$1/${basename}" | grep --color=never @rpath/libswift | sed -E s/@rpath\\\\/\\(.+dylib\\).*/\\\\1/g | uniq -u  && exit ${PIPESTATUS[0]})
             for lib in $swift_runtime_libs; do
               echo "rsync -av \\"${SWIFT_STDLIB_PATH}/${lib}\\" \\"${destination}\\""
               rsync -av "${SWIFT_STDLIB_PATH}/${lib}" "${destination}"