CS5GR HW0 firstTests.py: tests changed to reflect new rubric
CS5GR HW0 firstTests.py: tests changed to reflect new rubric

Main change is that palindrome is no longer a required function,
so these tests have been removed

noellekimiko/HMC-Grader,noellekimiko/HMC-Grader,noellekimiko/HMC-Grader,CSGreater-Developers/HMC-Grader,noellekimiko/HMC-Grader,CSGreater-Developers/HMC-Grader,CSGreater-Developers/HMC-Grader,noellekimiko/HMC-Grader,CSGreater-Developers/HMC-Grader,noellekimiko/HMC-Grader,CSGreater-Developers/HMC-Grader