[Keyboard] Pill60: fix default keymap shift key, fix info.json to default keymap

[IktaS]

Default keymap left and right shift key is fixed. Also fixed info.json to represent default keymap.

Description

Swapped keymap left and right shift key is to fix it, removed "Ikta's" to make it more general. Also fixed info.json to represent how default keymap is.

Types of Changes

• Core
• Bugfix
• New feature
• Enhancement/optimization
• Keyboard (addition or update)
• Keymap/layout/userspace (addition or update)
• Documentation

Issues Fixed or Closed by This PR

Checklist

• My code follows the code style of this project: C, Python
• I have read the PR Checklist document and have made the appropriate changes.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• I have tested the changes and verified that they work and don't break anything (as well as I can manage).