Revert "bramble: usb: add state of usb extcon to monitorffs"

This reverts commit 8fd66e78c84b9862a1e126ece0cc40602283a27e.

Reason for revert: using alternate method for original behavior change
Bug: 187261232
Test: build pass

Merged-In: I817915bbaa56f48e907176ed334a3de14b4f173e
Change-Id: I1430c03f8d604edd5eb3b247344491cde557a577
1 file changed