remove DLRSL and DLNM, we don't need them

They are not used anywhere in our libraries, so they should be defined
by the respective applications
diff --git a/include/osmocom/core/logging.h b/include/osmocom/core/logging.h
index 20c1254..06d90e5 100644
--- a/include/osmocom/core/logging.h
+++ b/include/osmocom/core/logging.h
@@ -43,9 +43,7 @@
 #define DLMUX		-4
 #define DLMI		-5
 #define DLMIB		-6
-#define DLRSL		-7
-#define DLNM		-8
-#define OSMO_NUM_DLIB	9
+#define OSMO_NUM_DLIB	7
 
 struct log_category {
 	uint8_t loglevel;
diff --git a/src/logging.c b/src/logging.c
index 52f401c..44fea98 100644
--- a/src/logging.c
+++ b/src/logging.c
@@ -94,18 +94,6 @@
 		.description = "A-bis Input Driver for B-Channels (voice)",
 		.enabled = 0, .loglevel = LOGL_NOTICE,
 	},
-	[INT2IDX(DLRSL)] = {
-		.name = "DRSL",
-		.description = "A-bis Radio Siganlling Link (RSL)",
-		.color = "\033[1;35m",
-		.enabled = 1, .loglevel = LOGL_NOTICE,
-	},
-	[INT2IDX(DLNM)] = {
-		.name = "DNM",
-		.description = "A-bis Network Management / O&M (NM/OML)",
-		.color = "\033[1;36m",
-		.enabled = 1, .loglevel = LOGL_INFO,
-	},
 };
 
 /* You have to keep this in sync with the structure loglevel_strs. */