COMPMID-2486: Remove disabled compiler warnings

Removed -Wno-unused-parameter and -Wno-deprecated-declarations
compilation flags.
Plus, 3RDPARTY_UPDATE.

Change-Id: I43098c7af527d5651aad3c597b508a56f8813dda
Signed-off-by: Michalis Spyrou <michalis.spyrou@arm.com>
Reviewed-on: https://review.mlplatform.org/c/2041
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
diff --git a/tests/SConscript b/tests/SConscript
index 3e46291..a062cac 100644
--- a/tests/SConscript
+++ b/tests/SConscript
@@ -1,4 +1,4 @@
-# Copyright (c) 2017, 2018 ARM Limited.
+# Copyright (c) 2017-2019 ARM Limited.
 #
 # SPDX-License-Identifier: MIT
 #
@@ -58,12 +58,6 @@
 Import("arm_compute_test_framework")
 test_env.Append(LIBS = arm_compute_test_framework)
 
-# Remove warnings from tests
-warnings_to_remove = ['-Wno-deprecated-declarations']
-for warning in warnings_to_remove:
-    if warning in test_env['CXXFLAGS']:
-        test_env['CXXFLAGS'].remove(warning)
-
 # Remove -Wnoexcept from tests
 if 'g++' in test_env['CXX'] and '-Wnoexcept' in test_env['CXXFLAGS']:
     test_env['CXXFLAGS'].remove("-Wnoexcept")