Remove private submodules

Signed-off-by: coleramos425 <colramos@amd.com>

.gitmodules

@@ -1,10 +0,0 @@
-[submodule "src/mibench"]
-	path = src/mibench
-	url = git@github.com:AARInternal/mibench.git
-    branch = main
-[submodule "src/waveparser"]
-	path = src/waveparser
-	url = git@github.com:AARInternal/waveparser.git
-[submodule "src/multevent"]
-	path = src/multevent
-	url = git@github.com:AARInternal/multevent.git