build: remove librt libs link for Android compatibility

PR-URL: nodejs#51632
Fixes: nodejs#50184
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>

Author: MeowShe

tools/v8_gypfiles/v8.gyp

@@ -1245,8 +1245,7 @@
             'target_conditions': [
               ['_toolset=="host" and host_os=="linux"', {
                 'libraries': [
-                  '-ldl',
-                  '-lrt'
+                  '-ldl'
                 ],
               }],
             ],