tbf_{ul,dl}_fsm: Remove unneeded asserts

Those are leftovers from the time where we had a single tbf_fsm for both
UL and DL TBF.

Change-Id: I99359b8cb655b26ac2058f457423fdec178744ea
diff --git a/src/tbf_dl_fsm.c b/src/tbf_dl_fsm.c
index a0e47b7..65070d3 100644
--- a/src/tbf_dl_fsm.c
+++ b/src/tbf_dl_fsm.c
@@ -244,10 +244,8 @@
 static void st_finished(struct osmo_fsm_inst *fi, uint32_t event, void *data)
 {
 	struct tbf_dl_fsm_ctx *ctx = (struct tbf_dl_fsm_ctx *)fi->priv;
-
 	switch (event) {
 	case TBF_EV_DL_ACKNACK_MISS:
-		OSMO_ASSERT(tbf_direction(ctx->tbf) == GPRS_RLCMAC_DL_TBF);
 		break;
 	case TBF_EV_FINAL_ACK_RECVD:
 		/* We received Final Ack (DL ACK/NACK) from MS. move to
@@ -309,10 +307,8 @@
 
 static void st_releasing(struct osmo_fsm_inst *fi, uint32_t event, void *data)
 {
-	struct tbf_dl_fsm_ctx *ctx = (struct tbf_dl_fsm_ctx *)fi->priv;
 	switch (event) {
 	case TBF_EV_DL_ACKNACK_MISS:
-		OSMO_ASSERT(tbf_direction(ctx->tbf) == GPRS_RLCMAC_DL_TBF);
 		/* Ignore, we don't care about missed DL ACK/NACK poll timeouts
 		 * anymore, we are already releasing the TBF */
 		break;
diff --git a/src/tbf_ul_fsm.c b/src/tbf_ul_fsm.c
index 8778e32..11ed8ab 100644
--- a/src/tbf_ul_fsm.c
+++ b/src/tbf_ul_fsm.c
@@ -171,7 +171,6 @@
 
 	switch (event) {
 	case TBF_EV_FIRST_UL_DATA_RECVD:
-		OSMO_ASSERT(tbf_direction(ctx->tbf) == GPRS_RLCMAC_UL_TBF);
 		/* TS 44.060 7a.2.1.1: "The contention resolution is completed on
 		 * the network side when the network receives an RLC data block that
 		 * comprises the TLLI value that identifies the mobile station and the
@@ -222,7 +221,6 @@
 		ul_tbf_contention_resolution_success(tbf_as_ul_tbf(ctx->tbf));
 		break;
 	case TBF_EV_FINAL_UL_ACK_CONFIRMED:
-		OSMO_ASSERT(tbf_direction(ctx->tbf) == GPRS_RLCMAC_UL_TBF);
 		new_ul_tbf_requested = (bool)data;
 		/* Ref the MS, otherwise it may be freed after ul_tbf is
 		 * detached when sending event below. */