Revert "Fix compatibility with cmake 3.8"

This reverts commit 47d56f2.

CMakeLists.txt

@@ -30,24 +30,22 @@ if (CMAKE_BINARY_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
     message(FATAL_ERROR "Building in-source is not supported! Create a build dir and remove ${CMAKE_SOURCE_DIR}/CMakeCache.txt")
 endif()
 
-if(CMAKE_VERSION VERSION_GREATER_EQUAL 3.9)
+if(CMAKE_VERSION VERSION_GREATER 3.8)
   # Enable IPO for CMake versions that support it
   cmake_policy(SET CMP0069 NEW)
-  project(Catch2
-    VERSION 3.1.0 # CML version placeholder, don't delete
-    LANGUAGES CXX
-    # HOMEPAGE_URL is not supported until CMake version 3.12, which
-    # we do not target yet.
-    # HOMEPAGE_URL "https://github.com/catchorg/Catch2"
-    DESCRIPTION "A modern, C++-native, unit test framework."
-  )
-else()
-  project(Catch2
-    VERSION 3.1.0 # CML version placeholder, don't delete
-    LANGUAGES CXX
-  )
 endif()
 
+
+project(Catch2
+  VERSION 3.1.0 # CML version placeholder, don't delete
+  LANGUAGES CXX
+  # HOMEPAGE_URL is not supported until CMake version 3.12, which
+  # we do not target yet.
+  # HOMEPAGE_URL "https://github.com/catchorg/Catch2"
+  DESCRIPTION "A modern, C++-native, unit test framework."
+)
+
+
 # Provide path for scripts. We first add path to the scripts we don't use,
 # but projects including us might, and set the path up to parent scope.
 # Then we also add path that we use to configure the project, but is of