Remove unnecessary CMake variables (#2853)

* Remove unnecessary variable

* Remove unused variable

CMakeLists.txt

@@ -76,8 +76,6 @@ endif()
 set(CATCH_DIR ${CMAKE_CURRENT_SOURCE_DIR})
 set(SOURCES_DIR ${CATCH_DIR}/src/catch2)
 set(SELF_TEST_DIR ${CATCH_DIR}/tests/SelfTest)
-set(BENCHMARK_DIR ${CATCH_DIR}/tests/Benchmark)
-set(EXAMPLES_DIR ${CATCH_DIR}/examples)
 
 # We need to bring-in the variables defined there to this scope
 add_subdirectory(src)

examples/CMakeLists.txt

@@ -43,8 +43,7 @@ set( TARGETS_IDIOMATIC_EXAMPLES ${BASENAMES_IDIOMATIC_EXAMPLES} )
 
 
 foreach( name ${TARGETS_IDIOMATIC_EXAMPLES} )
-    add_executable( ${name}
-      ${EXAMPLES_DIR}/${name}.cpp )
+    add_executable( ${name} ${name}.cpp )
 endforeach()
 
 set(ALL_EXAMPLE_TARGETS