Revert "Crosshatch: Refined GPU frequency for Expensive Rendering hint"

This reverts commit 070272fc371a6eee899d8c23e0eda22de326f91b.
Reason for revert: As comment in b/153700648#comment33, b/155338150, the frameworks team has plan update for blur feature which will not be shipped for now.

Bug: 153700648
Bug: 155338150
Change-Id: I424e93864b18f40fbfb53c79f77ff3aff277222e
diff --git a/powerhint.json b/powerhint.json
index 5f6ad7c..2ec6979 100644
--- a/powerhint.json
+++ b/powerhint.json
@@ -63,7 +63,6 @@
       "Name": "GPUMinFreq",
       "Path": "/sys/class/kgsl/kgsl-3d0/devfreq/min_freq",
       "Values": [
-        "675000000",
         "520000000",
         "342000000",
         "257000000"
@@ -670,7 +669,7 @@
       "PowerHint": "EXPENSIVE_RENDERING",
       "Node": "GPUMinFreq",
       "Duration": 0,
-      "Value": "675000000"
+      "Value": "520000000"
     },
     {
       "PowerHint": "EXPENSIVE_RENDERING",