Purge inventory script requirements from the AWX virtual environment.

boto is still used by AWX itself.

requirements/requirements.in

@@ -1,11 +1,8 @@
-apache-libcloud==2.2.1
 appdirs==1.4.2
 asgi-amqp==1.1.2
 asgiref==1.1.2
-azure==3.0.0
 backports.ssl-match-hostname==3.5.0.1
 boto==2.47.0
-boto3==1.7.6
 channels==1.1.8
 celery==3.1.25
 daphne==1.3.0   # Last before backwards-incompatible channels 2 upgrade
@@ -31,7 +28,6 @@ M2Crypto==0.29.0
 Markdown==2.6.11
 ordereddict==1.1
 pexpect==4.6.0
-psphere==0.5.2
 psutil==5.4.3
 psycopg2==2.7.3.2   # problems with Segmentation faults / wheels on upgrade
 pycrypto==2.6.1
@@ -45,12 +41,10 @@ python-radius==1.0
 python-saml==2.4.0
 social-auth-core==1.7.0
 social-auth-app-django==2.1.0
-pyvmomi==6.5
 redbaron==0.6.3
 requests<2.16  # Older versions rely on certify
 requests-futures==0.9.7
 service-identity==17.0.0
-shade==1.27.0  # from Ansible requirements, may not be needed
 slackclient==1.1.2
 tacacs_plus==1.0
 twilio==6.10.4