MAINT: Universal review of matplotlib inline and sizes

[mmcky]

I also notice that in that lecture with still have %matplotlib inline and

plt.rcParams['figure.figsize'] = (10,6)

These need to be stripped out universally.

• lecture-jax/
• lecture-dle/ MAINT: remove %matplotlib inline lecture-dle#11
• lecture-python.myst/ MAINT: remove matplotlib inline lecture-python.myst#392
• lecture-dps/ MAINT: remove %matplotlib inline and contents directive lecture-dps#9
• lecture-stats/ MAINT: remove %matplotlib inline and remove contents directives lecture-stats#26
• lecture-dynamics/ MAINT: remove %matplotlib inline and contents directive lecture-dynamics#7
• lecture-python-advanced.myst/ MAINT: remove %matplotlib inline and contents directive lecture-python-advanced.myst#161
• lecture-tools-techniques/ MAINT: remove %matplotlib inline and contents directive lecture-tools-techniques#10
• lecture-python-intro/ Delete %matplotlib inline in all lectures lecture-python-intro#429
• lecture-eqm/ MAINT: remove %matplotlib inline and contents directive lecture-eqm#11
• lecture-python-programming.myst/. MAINT: remove %matplotlib inline and contents directives lecture-python-programming.myst#313