testsuite: disable performance tests

For some reason, these tests are flaky in ci,
they always work locally for me. So, until
we use the data these tests produce for something,
lets just turn them off.

testsuite/css/meson.build

@@ -52,7 +52,7 @@ if get_option('install-tests')
                  install_dir: testdatadir)
 endif
 
-if get_option ('profiler')
+if false and get_option ('profiler')
 
   test('performance-adwaita', test_performance,
        args: [ '--mark', 'css validation',

testsuite/gtk/meson.build

@@ -208,7 +208,7 @@ if get_option('install-tests')
 
 endif
 
-if get_option ('profiler')
+if false and get_option ('profiler')
 
   test('performance-layout', test_performance,
        args: [ '--mark', 'size allocation', join_paths(meson.current_build_dir(), '../../demos/widget-factory/gtk4-widget-factory') ],
@@ -216,10 +216,6 @@ if get_option ('profiler')
               'GSETTINGS_SCHEMA_DIR=@0@'.format(gtk_schema_build_dir) ],
        suite: [ 'gtk' ])
 
-endif
-
-if get_option ('profiler')
-
   test('performance-snapshot', test_performance,
        args: [ '--mark', 'widget snapshot', join_paths(meson.current_build_dir(), '../../demos/widget-factory/gtk4-widget-factory') ],
        env: [ 'GTK_THEME=Empty',