Add LPRM and SEDAC layers

[minniewong]

Description

Fixes nasa-gibs/worldview#1006 and fixes nasa-gibs/worldview#1007.

Added 4 AMSR2 LPRM Soil Moisture layers and 7 SEDAC GIBS layers, removed 1 SEDAC WMS layer.

Checklist

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@nasa-gibs/worldview