Removing final pendle files (#827)

* removing deprecating feeds

* removing files

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Co-authored-by: qshao-gauntlet <qi.shao@gauntlet.network>
Co-authored-by: Qi Shao <123761078+qshao-gauntlet@users.noreply.github.com>
Co-authored-by: prateekeng <118216760+prateekeng@users.noreply.github.com>
Co-authored-by: walter <87556716+ringwraith10@users.noreply.github.com>
Co-authored-by: wzhang-gauntlet <will.weixin@gauntlet.xyz>
Co-authored-by: zigzag2002 <43194632+zigzag2002@users.noreply.github.com>
Co-authored-by: mariashaikh152 <163892170+mariashaikh152@users.noreply.github.com>

Author: 7 people