Seeking Feedback: Revise Instrument Examples README

[Brad-O]

Pull Request Checklist

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• You have previously submitted a Contributor License Agreement or have contacted a maintainer to request one.
• You have given the Pull Request a descriptive name above.
• You placed all files in an appropriate directory.
• You updated README files if placing files in directories that already have READMEs.

Type (Select only one)

• Bug fix
• Working example
• In-progress example (need Keithley help)
• In-progress example (do not need Keithley help)
• Other

Description

• Would you like this change? Leave a comment on this PR either way!
• This would change the README in the Instrument_Examples folder to only include the language contained therein.
• Pro: this clarifies what languages are included as examples for each instrument
• Con: the comments are often less descriptive for what the included examples do