Remove redundant single quote from Breeze build image script (#18173)
Remove redundant single quote from Breeze build image script (#18173)

Before:

```
ERROR: Bad value for install-airflow-version: '2.2.0b1'. Only numerical versions allowed for PROD image here'!
```

After:

```
ERROR: Bad value for install-airflow-version: '2.2.0b1'. Only numerical versions allowed for PROD image here !
```
Acehaidrey/incubator-airflow,lyft/incubator-airflow,cfei18/incubator-airflow,apache/airflow,Acehaidrey/incubator-airflow,danielvdende/incubator-airflow,cfei18/incubator-airflow,apache/airflow,mistercrunch/airflow,lyft/incubator-airflow,apache/airflow,cfei18/incubator-airflow,apache/incubator-airflow,cfei18/incubator-airflow,nathanielvarona/airflow,Acehaidrey/incubator-airflow,bolkedebruin/airflow,nathanielvarona/airflow,Acehaidrey/incubator-airflow,danielvdende/incubator-airflow,danielvdende/incubator-airflow,mistercrunch/airflow,Acehaidrey/incubator-airflow,apache/airflow,bolkedebruin/airflow,lyft/incubator-airflow,danielvdende/incubator-airflow,bolkedebruin/airflow,apache/airflow,lyft/incubator-airflow,Acehaidrey/incubator-airflow,nathanielvarona/airflow,bolkedebruin/airflow,apache/incubator-airflow,danielvdende/incubator-airflow,cfei18/incubator-airflow,nathanielvarona/airflow,apache/incubator-airflow,apache/airflow,mistercrunch/airflow,nathanielvarona/airflow,bolkedebruin/airflow,apache/incubator-airflow,danielvdende/incubator-airflow,cfei18/incubator-airflow,mistercrunch/airflow,nathanielvarona/airflow