Hide memory graph button for temporal flamegraph

[ruchika2ar]

*Issue number of the reported bug or feature request: #712 *

Describe your changes
Temporal graph already shows the temporal graph for memory usage. Hide the button in topbar for the same.

Testing performed
Tested locally with and without --temporal argument.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 92.78%. Comparing base (80a3baa) to head (1cd8763).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #770      +/-   ##
==========================================
- Coverage   92.96%   92.78%   -0.18%     
==========================================
  Files          95       95              
  Lines       11686    11686              
  Branches      407      407              
==========================================
- Hits        10864    10843      -21     
- Misses        822      843      +21     

Flag	Coverage Δ
cpp	92.78% <ø> (-0.18%)	⬇️
python_and_cython	92.78% <ø> (-0.18%)	⬇️

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[sarahmonod]

LGTM, thanks Ruchika!