Remove unnecessary lines from requirements.txt and make them get the latest patch version of the minor version

requirements.txt

@@ -1,25 +1,10 @@
-argon2-cffi==20.1.0
-bleach==3.1.5
-certifi==2020.6.20
-cffi==1.14.6
-chardet==3.0.4
-colorama==0.4.3
-cryptography==3.4
-idna==2.10
-packaging==20.4
-peewee==3.13.3
-pexpect==4.8.0
-psutil==5.7.2
-ptyprocess==0.6.0
-pycparser==2.20
-pyminifier==2.1
-pyOpenSSL==19.1.0
-pyparsing==2.4.7
-PyYAML==5.3.1
-requests~=2.26.0
-schedule==0.6.0
-six==1.15.0
-termcolor==1.1.0
-tornado==6.0.4
-urllib3==1.25.10
-webencodings==0.5.1
+argon2-cffi~=20.1
+bleach~=3.1
+colorama~=0.4
+peewee~=3.13
+pexpect~=4.8
+psutil~=5.7
+requests~=2.26
+schedules~=1.3
+termcolor~=1.1
+tornado~=6.0