Fix requirements

server/requirements.txt

@@ -1,29 +1,8 @@
-chardet==2.3.0
+click==8.1.3
-click==7.1.2
+Flask==2.1.2
-enum34==1.1.6
+importlib-metadata==4.11.4
-Flask==1.1.2
+itsdangerous==2.1.2
-Flask-Cors==3.0.10
+Jinja2==3.1.2
-idna==2.2
+MarkupSafe==2.1.1
-ipaddress==1.0.17
+Werkzeug==2.1.2
-itsdangerous==1.1.0
+zipp==3.8.0
-Jinja2==2.11.3
-keyrings.alt==1.3
-lxml==3.7.1
-MarkupSafe==1.1.1
-meld3==1.0.2
-Pillow==6.1.0
-pyasn1==0.1.9
-pycrypto==2.6.1
-pygobject==3.22.0
-pylibacl==0.5.3
-pyxattr==0.6.0
-pyxdg==0.25
-PyYAML==3.12
-rdiff-backup==1.2.8
-requestbuilder===devel
-requests==2.12.4
-six==1.15.0
-speedtest-cli==1.0.0
-supervisor==3.3.1
-urllib3==1.19.1
-Werkzeug==1.0.1