CMake: Stop explicitly setting CMP0077

The policy_max in cmake_minimum_required() already does that.

Author: reddwarf69

CMakeLists.txt

@@ -15,13 +15,6 @@ message(STATUS "Build spdlog: ${SPDLOG_VERSION}")
 
 include(GNUInstallDirs)
 
-# ---------------------------------------------------------------------------------------
-# Set CMake policies to support later version behaviour
-# ---------------------------------------------------------------------------------------
-if(POLICY CMP0077)
-    cmake_policy(SET CMP0077 NEW) # option() honors variables already set
-endif()
-
 # ---------------------------------------------------------------------------------------
 # Set default build to release
 # ---------------------------------------------------------------------------------------