Revert "Add support for search and telephone input types"

This reverts commit e0e9f092f4cb3ada42ed4cb19597d56b9c4920af.
Revert "Provide more space before comment text begins"

This reverts commit 3ac352f0474d60206098c455381be47474507e54.
Revert "Ensure all buttons receive button style"

This reverts commit 90fa51cf01e491ed4038c3a8936c8ac61c76358e.
Revert "Pingback style fixes"

This reverts commit 07af6f0ad9254720488d3ae1b2c9a7685bba7342.
Revert "Enhancements to input and textarea CSS"

This reverts commit df7d7c3a8f8d53bf0c35ff749991d57d87712077.