Enable a swath of bringup: true builds that were forgotten to the void. (#166757)

.ci.yaml

@@ -1241,7 +1241,6 @@ targets:
       - DEPS
 
   - name: Linux tool_integration_tests_1_7
-    bringup: true
     recipe: flutter/flutter_drone
     timeout: 60
     properties:
@@ -1270,7 +1269,6 @@ targets:
       - DEPS
 
   - name: Linux tool_integration_tests_2_7
-    bringup: true
     recipe: flutter/flutter_drone
     timeout: 60
     properties:
@@ -1299,7 +1297,6 @@ targets:
       - DEPS
 
   - name: Linux tool_integration_tests_3_7
-    bringup: true
     recipe: flutter/flutter_drone
     timeout: 60
     properties:
@@ -1412,7 +1409,6 @@ targets:
       - DEPS
 
   - name: Linux tool_integration_tests_7_7
-    bringup: true
     recipe: flutter/flutter_drone
     timeout: 60
     properties:
@@ -2705,7 +2701,6 @@ targets:
   # linux mokey benchmark
   - name: Linux_mokey flutter_engine_group_performance
     recipe: devicelab/devicelab_drone
-    bringup: true # https://github.com/flutter/flutter/issues/149666
     presubmit: false
     timeout: 60
     properties:
@@ -2757,7 +2752,6 @@ targets:
   - name: Linux_mokey flutter_gallery_lazy__start_up
     recipe: devicelab/devicelab_drone
     presubmit: false
-    bringup: true
     timeout: 60
     properties:
       tags: >
@@ -4717,7 +4711,6 @@ targets:
   - name: Mac_mokey microbenchmarks
     recipe: devicelab/devicelab_drone
     presubmit: false
-    bringup: true # TODO(codefu): https://github.com/flutter/flutter/issues/156506
     timeout: 60
     properties:
       tags: >
@@ -5137,7 +5130,6 @@ targets:
       task_name: macos_chrome_dev_mode
 
   - name: Mac_ios microbenchmarks_ios
-    bringup: true # Flakey https://github.com/flutter/flutter/issues/156457
     recipe: devicelab/devicelab_drone
     presubmit: false
     timeout: 60