Fixed a bunch of stuff

- the layout wrapper is case sensitive, had K37 when it should be k37
- fixed whitespace formatting in several files
- removed planck from qmk_nontree.json

qmk_nontree.json

@@ -1,6 +1,5 @@
 {
 	"nontree_targets": [
-		"barbellboards",
-		"planck"
+		"barbellboards"
 	]
 }