Fix gradle error

mobile/ios/Podfile.lock

@@ -1,7 +1,4 @@
 PODS:
-  - AWSCore (2.6.13)
-  - AWSDynamoDB (2.6.13):
-    - AWSCore (= 2.6.13)
   - boost (1.59.0):
     - boost/graph-includes (= 1.59.0)
     - boost/math-includes (= 1.59.0)
@@ -28,14 +25,6 @@ PODS:
   - GoogleMaps/Base (2.5.0)
   - GoogleMaps/Maps (2.5.0):
     - GoogleMaps/Base
-  - GoogleToolboxForMac/Defines (2.1.0)
-  - GoogleToolboxForMac/Logger (2.1.0):
-    - GoogleToolboxForMac/Defines (= 2.1.0)
-  - GTMSessionFetcher/Core (1.1.6)
-  - GVRAudioSDK (1.120.0)
-  - GVRSDK (1.120.0):
-    - GoogleToolboxForMac/Logger (= 2.1.0)
-    - GTMSessionFetcher/Core (= 1.1.6)
   - React (0.51.1):
     - React/Core (= 0.51.1)
   - react-native-google-maps (0.20.1):
@@ -80,11 +69,6 @@ PODS:
     - React/RCTBlob
   - ReactNativeNavigation (1.1.407):
     - React
-  - ViroKit (1.0):
-    - AWSDynamoDB (~> 2.6.7)
-    - GVRAudioSDK (= 1.120.0)
-    - GVRSDK (= 1.120.0)
-  - ViroReact (1.0)
   - yoga (0.51.1.React)
 
 DEPENDENCIES:
@@ -104,8 +88,6 @@ DEPENDENCIES:
   - React/RCTText (from `../node_modules/react-native`)
   - React/RCTWebSocket (from `../node_modules/react-native`)
   - ReactNativeNavigation (from `../node_modules/react-native-navigation/ios/ReactNativeNavigation.podspec`)
-  - ViroKit (from `../node_modules/react-viro/ios/dist/ViroRenderer/`)
-  - ViroReact (from `../node_modules/react-viro/ios/`)
   - yoga (from `../node_modules/react-native/ReactCommon/yoga`)
 
 EXTERNAL SOURCES:
@@ -123,33 +105,21 @@ EXTERNAL SOURCES:
     :path: ../node_modules/react-native-maps
   ReactNativeNavigation:
     :podspec: ../node_modules/react-native-navigation/ios/ReactNativeNavigation.podspec
-  ViroKit:
-    :path: ../node_modules/react-viro/ios/dist/ViroRenderer/
-  ViroReact:
-    :path: ../node_modules/react-viro/ios/
   yoga:
     :path: ../node_modules/react-native/ReactCommon/yoga
 
 SPEC CHECKSUMS:
-  AWSCore: 5da797bc476188fdaf00dec134fa18d84708eca9
-  AWSDynamoDB: 36abff7ce93fcadad2c4dc6f729d8716c933adf2
   boost: 30a15ffb6d9aa4646dd3caffc960753f4cb4ca4e
   DoubleConversion: ebb6747c5b66026ad4f97b789c3ceac6f18e57a6
   Folly: b7255b29f1d693c375d642d0f04f0592181156d9
   GLog: 3e4e4ae9746ce6bf6e9420c7fc1e08ad59c8ba1a
   GoogleMaps: c087b8e5dfe87ca6ebf59adb9b4894a4146bec4f
-  GoogleToolboxForMac: 2b2596cbb7186865e98cadf2b1e262d851c2b168
-  GTMSessionFetcher: 6aacd0ab48ddf0c3633ab2642d792abfcad1b08a
-  GVRAudioSDK: 302f0a8f190d855868ea07f246ce4f9b44c392ae
-  GVRSDK: 0cb9d0ce06a84d698e61e3db9509766022dcf815
   React: 541ba768b9855e10cdc76f55427a5cd0653ca806
   react-native-google-maps: 963fc78a5ac32dad3a726e4fa08b5307faa5cab2
   react-native-maps: 066c2afcc89e18726377bcc685315f989ca22449
   ReactNativeNavigation: 0a0de59d82ed1accc9b762037752b11d794c7a4c
-  ViroKit: 9631f301ef6a3f56116b23d6aac5d5c2307aa368
-  ViroReact: 5520f26ac4654e361786c82da3b29ce0402c3c00
   yoga: 17521bbb0dd54a47c0b3ac43253e78cdac7488e0
 
-PODFILE CHECKSUM: 878f4f72afe6d192d823db4f9921e6514714fe82
+PODFILE CHECKSUM: b54887d0ae243cb85ba0ecb910765421010b1d1d
 
 COCOAPODS: 1.4.0