Remove oprofile directory.

It has been gone for long period.

Change-Id: I114ae4a89812752b8ad71ef0fc147dd532c78f5f
Signed-off-by: Alexander Kurtakov <akurtako@redhat.com>
Reviewed-on: https://git.eclipse.org/r/c/linuxtools/org.eclipse.linuxtools/+/175482
Tested-by: Linux Tools Bot <linuxtools-bot@eclipse.org>
diff --git a/oprofile/.gitignore b/oprofile/.gitignore
deleted file mode 100644
index ea8c4bf..0000000
--- a/oprofile/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-/target