updating references

Author: superdiana

README.md

@@ -125,7 +125,6 @@ sms.send_message({
 })
 ```
 
-Support link: [Send sms](https://gitlab.com/codeonrocks/client/nexmo-python/uploads/17e17c6f05f6d28c53596f2412c627c2/SMSSendMessage.PNG)
 
 ### Send SMS with unicode
 
@@ -138,7 +137,6 @@ responseData = client.send_message({
 })
 ```
 
-Reference: [Send sms with unicode](https://developer.nexmo.com/messaging/sms/code-snippets/send-an-sms-with-unicode)
 
 **Using Sms Class**
 
@@ -198,7 +196,6 @@ voice.create_all({
 })
 ```
 
-Testing screenshots:[create call](https://gitlab.com/codeonrocks/client/nexmo-python/uploads/fc104415f55a4ad22ecf8defd90b926b/NexmoVoiceUsage.PNG)
 
 ### Retrieve a list of calls
 
@@ -217,8 +214,6 @@ voice = Voice(client)
 voice.get_calls()
 ```
 
-Testing screenshots: [get calls](https://gitlab.com/codeonrocks/client/nexmo-python/uploads/a5cc162f255dc83b8cdd1d2f80531925/NexmoVoiceGetCalls.PNG)
-
 ### Retrieve a single call
 
 ```python
@@ -236,8 +231,6 @@ voice = Voice(client)
 voice.get_call(uuid)
 ```
 
-Testing Screenshots: [get single call](https://gitlab.com/codeonrocks/client/nexmo-python/uploads/5cef34880afdc6a4c3cd3dee0e84aae2/NexmoVoiceGetSingleCall.PNG)
-
 ### Update a call
 
 ```python
@@ -260,8 +253,6 @@ response = voice.create_all({
 voice.update_call(response['uuid'], action='hangup')
 ```
 
-Support Link: [update call](https://gitlab.com/codeonrocks/client/nexmo-python/uploads/bdf7c0990b6d4019a2758a7148fdf1e4/VoiceUpdateCall.PNG)
-
 ### Stream audio to a call
 
 ```python
@@ -287,8 +278,6 @@ response = voice.create_call({
 voice.send_audio(response['uuid'],stream_url=[stream_url])
 ```
 
-Support link: [Send audio stream](https://gitlab.com/codeonrocks/client/nexmo-python/uploads/fdc22d76f6bb5c8abf625311f222512a/VoiceSendAudioStream.PNG)
-
 ### Stop streaming audio to a call
 
 ```python
@@ -313,8 +302,6 @@ voice.send_audio(response['uuid'],stream_url=[stream_url])
 voice.stop_audio(response['uuid'])
 ```
 
-Support Link: [Stop audio stream](https://gitlab.com/codeonrocks/client/nexmo-python/uploads/589be23c5a31694e310aacf0fa6a2314/VoiceSendStopAudioStream.PNG)
-
 ### Send a synthesized speech message to a call
 
 ```python
@@ -337,7 +324,6 @@ response = voice.create_call({
 voice.send_speech(response['uuid'], text='Hello from nexmo')
 ```
 
-Support link: [Send speech](https://gitlab.com/codeonrocks/client/nexmo-python/uploads/d608bfe3b1fb288c9f4854d76fba37af/VoiceSendSpeech.PNG)
 
 ### Stop sending a synthesized speech message to a call
 
@@ -362,8 +348,6 @@ Docs: [https://developer.nexmo.com/api/voice#stopTalk](https://developer.nexmo.c
 >>> voice.stop_speech(response['uuid'])
 ```
 
-Support link: [Stop speech](https://gitlab.com/codeonrocks/client/nexmo-python/uploads/246801f2e34d147955ac3531e4e7b65d/VoiceSendStopSpeech.PNG)
-
 ### Send DTMF tones to a call
 
 ```python
@@ -386,7 +370,6 @@ response = voice.create_call({
 voice.send_dtmf(response['uuid'], digits='1234')
 ```
 
-Support link: [Send DTMF](https://gitlab.com/codeonrocks/client/nexmo-python/uploads/7c4b25014d6c94eb886cbaa9a55d2ae3/VoiceSendDTMF.PNG)
 
 ### Get recording