Update fire button copy in Maestro tests (#7130)

Task/Issue URL:
https://app.asana.com/1/137249556945/project/488551667048375/task/1211963626085349?focus=true

### Description

Updates `- tapOn: "Clear All Tabs And Data”` to `- tapOn: "Clear Tabs
and Data”`

### Steps to test this PR

- [ ] Code review

Author: joshliebe

.maestro/fire_button/fire_during_onboarding.yaml

@@ -26,5 +26,5 @@ tags:
       - tapOn: "Cancel"
       - assertNotVisible: ".*browsing activity with the Fire Button.*"
       - runFlow: ../shared/browser_screen/click_on_fire_button.yaml
-      - tapOn: "Clear All Tabs And Data"
+      - tapOn: "Clear Tabs and Data"
       - assertVisible: "You've got this!.*"

.maestro/privacy_tests/14_-_Single-site,_single-tab,_no-session-after-fire.yaml

@@ -55,7 +55,7 @@ tags:
             - tapOn: "Copy"
             - action: back
             - runFlow: ../shared/browser_screen/click_on_fire_button.yaml
-            - tapOn: "Clear All Tabs And Data"
+            - tapOn: "Clear Tabs and Data"
             - longPressOn:
                 id: "omnibarTextInput"
             - tapOn: "Paste"