Stop repeating conditional in endif()

This is not necessary so we can remove it. Most conditionals already
omit this anyways.

tests/CMakeLists.txt

@@ -59,7 +59,7 @@ if (CATCH_BUILD_SURROGATES)
   )
   target_link_libraries(Catch2SurrogateTarget PRIVATE Catch2WithMain)
 
-endif(CATCH_BUILD_SURROGATES)
+endif()
 
 ####
 # Temporary workaround for VS toolset changes in 2017
@@ -70,7 +70,7 @@ if (MSVC)
 configure_file(${CATCH_DIR}/tools/misc/SelfTest.vcxproj.user
                ${CMAKE_BINARY_DIR}/tests
                COPYONLY)
-endif(MSVC) #Temporary workaround
+endif() #Temporary workaround
 
 
 # define the sources of the self test

tests/ExtraTests/CMakeLists.txt

@@ -183,7 +183,7 @@ if (NOT WIN32)
     PROPERTIES
       PASS_REGULAR_EXPRESSION "Catch will terminate"
   )
-endif(NOT WIN32)
+endif()
 
 
 add_test(NAME CATCH_CONFIG_DISABLE_EXCEPTIONS-3 COMMAND DisabledExceptions-CustomHandler "Tests that run")