Authentication Refactor

[shahidee44]

Description

• Update to DeviceAWS. Removing the need to request for keys.
• Updated create_device function to remove some of the old initlisation parameters of DeviceAWS.
• Updated Notebook Example 10 for updated authentication with Braket.
• Updated test_qpu_braket.py to accomandate new changes with DeviceAWS

Checklist

• I have performed a self-review of my code.
• [ x I have commented my code and used numpy-style docstrings
• My changes generate no new warnings
• I have added/updated tests to make sure bugfix/feature works.
• New and existing unit tests pass locally with my changes.

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)

How Has This Been Tested?

test_all.py

[codecov]

Codecov Report

Merging #126 (51d4418) into dev (80b0b6b) will decrease coverage by 0.00%.
The diff coverage is 8.16%.

@@            Coverage Diff             @@
##              dev     #126      +/-   ##
==========================================
- Coverage   87.30%   87.30%   -0.01%     
==========================================
  Files          67       67              
  Lines        8924     8922       -2     
==========================================
- Hits         7791     7789       -2     
  Misses       1133     1133              

Impacted Files	Coverage Δ
openqaoa/backends/qpus/qaoa_braket_qpu.py	21.59% <0.00%> (-0.51%)	⬇️
tests/test_qpu_braket.py	10.38% <6.97%> (-0.44%)	⬇️
openqaoa/devices.py	50.00% <33.33%> (+1.42%)	⬆️
openqaoa/optimizers/result.py	90.69% <0.00%> (-1.17%)	⬇️

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[vishal-ph]

@shahidee44, you forgot to update the notebook? (notebook 10 in the examples folder)