Revert "Enable Fortran testsuite when TEST_SUITE_SUBDIRS=Fortran"

This reverts commit 8c18b14 to unblock
buildbots that are failing.

Author: Ahsan Saghir

CMakeLists.txt

@@ -2,16 +2,10 @@ cmake_minimum_required(VERSION 3.13.4)
 
 include(CheckSymbolExists)
 
+option(TEST_SUITE_FORTRAN "Enable Fortran test suite" OFF)
 
 project(test-suite C CXX)
 
-if(${TEST_SUITE_SUBDIRS} MATCHES "Fortran")
-  set(TEST_SUITE_FORTRAN_default ON)
-else()
-  set(TEST_SUITE_FORTRAN_default OFF)
-endif()
-option(TEST_SUITE_FORTRAN "Enable Fortran test suite" ${TEST_SUITE_FORTRAN_default})
-
 if(TEST_SUITE_FORTRAN)
   enable_language(Fortran)
 endif()

Fortran/UnitTests/fcvs21_f95/CMakeLists.txt

@@ -33,8 +33,6 @@
 # explicit acknowledgement of what has been changed. Please
 # amend README file if you modify the tests.
 
-include(CheckFortranCompilerFlag)
-
 # clean-up fort.* files otherwise one of the tests will fail
 llvm_test_prepare(rm -f %S/fort.*)