Remove explicit location of config files in ctest tests

The build directory now mimics the install directory, and the
instrumentors should be able to locate the default config file on
their own.

CMakeLists.txt

@@ -516,7 +516,7 @@ if(HAVE_TAU)
     endif()
 
     set(test_path ${CMAKE_SOURCE_DIR}/tests/${TEST_BASE_NAME}.${TEST_LANG})
-    set(TAUC_OPTS -optVerbose -optSaltInst -optSaltParser=${CMAKE_BINARY_DIR}/${CMAKE_INSTALL_BINDIR}/saltfm -optSaltConfigFile=${CMAKE_SOURCE_DIR}/config_files/tau_config.yaml)
+    set(TAUC_OPTS -optVerbose -optSaltInst -optSaltParser=${CMAKE_BINARY_DIR}/${CMAKE_INSTALL_BINDIR}/saltfm)
     set(compile_opts ${TAU_COMPILE_OPTIONS})
     foreach(comp IN LISTS compilers_to_test)
       set(lower_comp ${comp})
@@ -626,7 +626,7 @@ foreach(test_source IN LISTS FORTRAN_TESTS_SOURCES_LIST)
   set_tests_properties(instrument_${test_source}
     PROPERTIES
     REQUIRED_FILES "${CMAKE_BINARY_DIR}/${CMAKE_INSTALL_BINDIR}/fparse-llvm;${CMAKE_BINARY_DIR}/${CMAKE_INSTALL_BINDIR}/saltfm"
-    ENVIRONMENT "SALT_FORTRAN_CONFIG_FILE=${CMAKE_SOURCE_DIR}/config_files/tau_config.yaml;SALT_FORTRAN_VERBOSE=1"
+    ENVIRONMENT "SALT_FORTRAN_VERBOSE=1"
     PASS_REGULAR_EXPRESSION "SALT Instrumentor Plugin finished"
   )
 endforeach()