Bug 1736762 - Stop waiting for user input before the creation of ~/.mozbuild . r=firefox-build-system-reviewers,ahochheiden

Differential Revision: https://phabricator.services.mozilla.com/D162638

build/mach_initialize.py

@@ -30,11 +30,9 @@ on the filesystem. The following directory will be created:
 
   {}
 
-If you would like to use a different directory, hit CTRL+c, set the
-MOZBUILD_STATE_PATH environment variable to the directory you'd like to
-use, and run Mach again.
-
-Press ENTER/RETURN to continue or CTRL+c to abort.
+If you would like to use a different directory, rename or move it to your
+desired location, and set the MOZBUILD_STATE_PATH environment variable
+accordingly.
 """.strip()
 
 
@@ -586,11 +584,6 @@ def _create_state_dir():
         if not os.path.exists(state_dir):
             if not os.environ.get("MOZ_AUTOMATION"):
                 print(STATE_DIR_FIRST_RUN.format(state_dir))
-                try:
-                    sys.stdin.readline()
-                    print("\n")
-                except KeyboardInterrupt:
-                    sys.exit(1)
 
             print("Creating default state directory: {}".format(state_dir))