Clean up iOS build files

Review URL: https://codereview.chromium.org/1409663002
diff --git a/gyp/common_conditions.gypi b/gyp/common_conditions.gypi
index a06fcb7..bbe716b 100644
--- a/gyp/common_conditions.gypi
+++ b/gyp/common_conditions.gypi
@@ -544,7 +544,6 @@
         'xcode_settings': {
           'ARCHS': ['armv7'],
           'CODE_SIGNING_REQUIRED': 'NO',
-          'CODE_SIGN_IDENTITY[sdk=iphoneos*]': 'iPhone Developer: Google Development (3F4Y5873JF)',
           'IPHONEOS_DEPLOYMENT_TARGET': '<(ios_sdk_version)',
           'SDKROOT': 'iphoneos',
           'TARGETED_DEVICE_FAMILY': '1,2',
diff --git a/platform_tools/ios/bin/ios_setup.sh b/platform_tools/ios/bin/ios_setup.sh
index d36da83..53a33c6 100755
--- a/platform_tools/ios/bin/ios_setup.sh
+++ b/platform_tools/ios/bin/ios_setup.sh
@@ -25,10 +25,10 @@
 SKIA_SRC_DIR=$(cd "${SCRIPT_DIR}/../../.."; pwd)
 
 # Provisioning profile - this needs to be set up on the local machine.
-PROVISIONING_PROFILE="9e88090d-abed-4e89-b106-3eff3512d31f"
+PROVISIONING_PROFILE=""
 
 # Code Signing identity - this needs to be set up on the local machine.
-CODE_SIGN_IDENTITY="iPhone Developer: Google Development (3F4Y5873JF)"
+CODE_SIGN_IDENTITY="iPhone Developer"
 
 IOS_BUNDLE_ID="com.google.iOSShell"