Remove SP dev kit external component

Remove all references to SP dev kit from opteesp deployments and b-test
files.

Signed-off-by: Imre Kis <imre.kis@arm.com>
Change-Id: I3752ec4fc0046c576ab658bca81cad9a21cb1fa8
diff --git a/deployments/libsp/opteesp/LibspConfig.cmake.in b/deployments/libsp/opteesp/LibspConfig.cmake.in
index cd8d0d6..559b35d 100644
--- a/deployments/libsp/opteesp/LibspConfig.cmake.in
+++ b/deployments/libsp/opteesp/LibspConfig.cmake.in
@@ -1,16 +1,9 @@
 #
-# Copyright (c) 2020, Arm Limited and Contributors. All rights reserved.
+# Copyright (c) 2020-2021, Arm Limited and Contributors. All rights reserved.
 #
 # SPDX-License-Identifier: BSD-3-Clause
 #
 
 @PACKAGE_INIT@
 
-# Any user of the lib will depend on spdevkit. Use our find module to get access to it.
-find_package(Spdevkit
-	 COMPONENTS LIBUTIL
-	 PATHS ${CMAKE_CURRENT_LIST_DIR}
-	 NO_DEFAULT_PATH
-	 REQUIRED)
-
 include("${CMAKE_CURRENT_LIST_DIR}/LibspTargets.cmake")