refactor: remove --setup-exit-signals (#3229)

Author: snitin315

README.md

@@ -99,8 +99,6 @@ Options:
   --no-client-progress       Do not print compilation progress in percentage in the browser.
   --client-overlay           Show a full-screen overlay in the browser when there are compiler errors or warnings.
   --no-client-overlay        Do not show a full-screen overlay in the browser when there are compiler errors or warnings.
-  --setup-exit-signals       Close and exit the process on SIGINT and SIGTERM.
-  --no-setup-exit-signals    Do not close and exit the process on SIGNIT and SIGTERM.
   --open [value...]          Open the default browser.
   --no-open                  Do not open the default browser.
   --open-app <value>         Open specified browser.

bin/cli-flags.js

@@ -123,19 +123,6 @@ module.exports = {
         delete opts.clientOverlay;
       },
     },
-    {
-      name: 'setup-exit-signals',
-      type: Boolean,
-      configs: [
-        {
-          type: 'boolean',
-        },
-      ],
-      description: 'Close and exit the process on SIGINT and SIGTERM.',
-      negatedDescription:
-        'Do not close and exit the process on SIGNIT and SIGTERM.',
-      negative: true,
-    },
     // TODO remove in the next major release in favor `--open-target`
     {
       name: 'open',

test/cli/__snapshots__/cli.test.js.snap.webpack4

@@ -200,9 +200,6 @@ Options:
                              there are compiler errors or warnings.
   --no-client-overlay        Do not show a full-screen overlay in the browser
                              when there are compiler errors or warnings.
-  --setup-exit-signals       Close and exit the process on SIGINT and SIGTERM.
-  --no-setup-exit-signals    Do not close and exit the process on SIGNIT and
-                             SIGTERM.
   --open [value...]          Open the default browser.
   --no-open                  Do not open the default browser.
   --open-app <value>         Open specified browser.

test/cli/__snapshots__/cli.test.js.snap.webpack5

@@ -202,9 +202,6 @@ Options:
                              there are compiler errors or warnings.
   --no-client-overlay        Do not show a full-screen overlay in the browser
                              when there are compiler errors or warnings.
-  --setup-exit-signals       Close and exit the process on SIGINT and SIGTERM.
-  --no-setup-exit-signals    Do not close and exit the process on SIGNIT and
-                             SIGTERM.
   --open [value...]          Open the default browser.
   --no-open                  Do not open the default browser.
   --open-app <value>         Open specified browser.