Revert "SF: Introduce struct surfaceflinger::Config"

Revert submission 23423266-SF-Config

Reason for revert: UIBench Jank Regression reported in b/288665387

Reverted changes: /q/submissionid:23423266-SF-Config

Change-Id: I0942f99fec1f211e607e3ff44da2dfa0e30d34c2
diff --git a/services/surfaceflinger/tests/unittests/SchedulerTest.cpp b/services/surfaceflinger/tests/unittests/SchedulerTest.cpp
index 6c14f6e..fab3c0e 100644
--- a/services/surfaceflinger/tests/unittests/SchedulerTest.cpp
+++ b/services/surfaceflinger/tests/unittests/SchedulerTest.cpp
@@ -250,8 +250,10 @@
 
     EXPECT_EQ(1, mFlinger.calculateMaxAcquiredBufferCount(60_Hz, 10ms));
 
-    mFlinger.mutableConfig().minAcquiredBuffers = 2;
+    const auto savedMinAcquiredBuffers = mFlinger.mutableMinAcquiredBuffers();
+    mFlinger.mutableMinAcquiredBuffers() = 2;
     EXPECT_EQ(2, mFlinger.calculateMaxAcquiredBufferCount(60_Hz, 10ms));
+    mFlinger.mutableMinAcquiredBuffers() = savedMinAcquiredBuffers;
 }
 
 MATCHER(Is120Hz, "") {