Remove matplotlib from keywords

This seems redundant.

Author: QuLogic

packages/PyNanoLab.yml

@@ -3,4 +3,4 @@ repo: decacent/PyNanoLab
 section: gui applications
 description: PySide6 GUI for data analysis and visualisation with Matplotlib and Pandas.
 site: https://pynanolab.com
-keywords: [GUI, PySide6, matplotlib, pandas, data analysis]
+keywords: [GUI, PySide6, pandas, data analysis]

packages/Quibbler.yml

@@ -3,6 +3,5 @@ repo: Technion-Kishony-lab/quibbler
 section: interactivity
 description: Effortlessly make your matplotlib graphics interactive.
 site: https://github.com/Technion-Kishony-lab/quibbler
-keywords: [data, visualization, interactive, save, data analysis, matplotlib, plot,
-           picker]
+keywords: [data, visualization, interactive, save, data analysis, plot, picker]
 pypi_name: pyquibbler