Remove ExternalProject includes from Cmake

sum01 · sum01 · commit 3f8f2fc8d9d8 · 2020-05-09T20:01:14.000-04:00
It wasn't being used at all.
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -4,7 +4,6 @@ project(httplib VERSION 0.5.12 LANGUAGES CXX)
 
 # Include
 include(GNUInstallDirs)
-include(ExternalProject)
 
 add_library(${PROJECT_NAME} INTERFACE)
 target_compile_features(${PROJECT_NAME} INTERFACE cxx_std_11)
