Revert "Temporarily pin IREE revision"

Revert submission 60390-iree-breakage-987

Reason for revert: IREE breakage fix merged

Reverted changes: /q/submissionid:60390-iree-breakage-987

Bypass-Presubmit-Reason: Tested in topic

Change-Id: I382fbd5d2ca16bef1d1af90a9d1622bd387c1a12
diff --git a/platforms/nexus/iree.mk b/platforms/nexus/iree.mk
index 0abd8e6..782d93b 100644
--- a/platforms/nexus/iree.mk
+++ b/platforms/nexus/iree.mk
@@ -69,9 +69,8 @@
 # the `iree_runtime` target. The outputs of this target are placed in
 # out/host/iree_compiler.
 #
-# TODO: unpin IREE revision
 iree_compiler: | $(IREE_COMPILER_DIR)
-	$(ROOTDIR)/scripts/download_iree_compiler.py --iree_compiler_dir "$(IREE_COMPILER_DIR)" --tag_name candidate-20240815.986
+	$(ROOTDIR)/scripts/download_iree_compiler.py --iree_compiler_dir "$(IREE_COMPILER_DIR)"
 iree_commit_check:
 	$(ROOTDIR)/scripts/check-iree-commit.sh "$(IREE_SRC)" "$(IREE_COMPILER_DIR)"
 
diff --git a/platforms/shodan/iree.mk b/platforms/shodan/iree.mk
index 6283fe8..cec2ac2 100644
--- a/platforms/shodan/iree.mk
+++ b/platforms/shodan/iree.mk
@@ -69,9 +69,8 @@
 # the `iree_runtime` target. The outputs of this target are placed in
 # out/host/iree_compiler.
 #
-# TODO: unpin IREE revision
 iree_compiler: | $(IREE_COMPILER_DIR)
-	$(ROOTDIR)/scripts/download_iree_compiler.py --iree_compiler_dir "$(IREE_COMPILER_DIR)" --tag_name candidate-20240815.986
+	$(ROOTDIR)/scripts/download_iree_compiler.py --iree_compiler_dir "$(IREE_COMPILER_DIR)"
 iree_commit_check:
 	$(ROOTDIR)/scripts/check-iree-commit.sh "$(IREE_SRC)" "$(IREE_COMPILER_DIR)"