[chore] Remove unused yq tool (open-telemetry#9073)

It's not need after
open-telemetry#8024

Makefile

@@ -383,7 +383,7 @@ push-tags: $(MULTIMOD)
 	done;
 
 .PHONY: check-changes
-check-changes: $(YQ)
+check-changes: $(MULTIMOD)
 	# NOTE: ! inverses the return code of multimod diff. This is
 	# because prepare-release expects a 0 if there are diffs and
 	# non-0 if there are no diffs, which is the inverse of most

Makefile.Common

@@ -33,20 +33,16 @@ MULTIMOD     := $(TOOLS_BIN_DIR)/multimod
 PORTO        := $(TOOLS_BIN_DIR)/porto
 SEMCONVGEN   := $(TOOLS_BIN_DIR)/semconvgen
 SEMCONVKIT   := $(TOOLS_BIN_DIR)/semconvkit
-YQ           := $(TOOLS_BIN_DIR)/yq
 
 .PHONY: install-tools
-install-tools: $(TOOLS_BIN_NAMES) $(YQ)
+install-tools: $(TOOLS_BIN_NAMES)
 
 $(TOOLS_BIN_DIR):
 	mkdir -p $@
 
 $(TOOLS_BIN_NAMES): $(TOOLS_BIN_DIR) $(TOOLS_MOD_DIR)/go.mod
 	cd $(TOOLS_MOD_DIR) && $(GOCMD) build -o $@ -trimpath $(filter %/$(notdir $@),$(TOOLS_PKG_NAMES))
 
-$(YQ): $(TOOLS_BIN_DIR) $(TOOLS_MOD_DIR)/go.mod
-	cd $(TOOLS_MOD_DIR) && $(GOCMD) build -o $@ -trimpath github.com/mikefarah/yq/v4
-
 .PHONY: test
 test:
 	$(GOTEST) $(GOTEST_OPT) ./...