Remove replace directive for protobuf

[pgimalac]

What does this PR do?

Remove replace directive for protobuf.

Motivation

The directive is completely useless, it replaces a version with the same one.

Describe how you validated your changes

n/a

Additional Notes

[agent-platform-auto-pr]

Static quality checks

✅ Please find below the results from static quality gates
Comparison made with ancestor 2dcd403
📊 Static Quality Gates Dashboard

31 successful checks with minimal change (< 2 KiB)

	Quality gate	Current Size
✅	agent_deb_amd64	705.841 MiB
✅	agent_deb_amd64_fips	701.138 MiB
✅	agent_heroku_amd64	326.864 MiB
✅	agent_msi	571.326 MiB
✅	agent_rpm_amd64	705.827 MiB
✅	agent_rpm_amd64_fips	701.124 MiB
✅	agent_rpm_arm64	687.324 MiB
✅	agent_rpm_arm64_fips	683.465 MiB
✅	agent_suse_amd64	705.827 MiB
✅	agent_suse_amd64_fips	701.124 MiB
✅	agent_suse_arm64	687.324 MiB
✅	agent_suse_arm64_fips	683.465 MiB
✅	docker_agent_amd64	767.575 MiB
✅	docker_agent_arm64	773.692 MiB
✅	docker_agent_jmx_amd64	958.454 MiB
✅	docker_agent_jmx_arm64	953.290 MiB
✅	docker_cluster_agent_amd64	180.761 MiB
✅	docker_cluster_agent_arm64	196.618 MiB
✅	docker_cws_instrumentation_amd64	7.135 MiB
✅	docker_cws_instrumentation_arm64	6.689 MiB
✅	docker_dogstatsd_amd64	38.785 MiB
✅	docker_dogstatsd_arm64	37.128 MiB
✅	dogstatsd_deb_amd64	30.003 MiB
✅	dogstatsd_deb_arm64	28.156 MiB
✅	dogstatsd_rpm_amd64	30.003 MiB
✅	dogstatsd_suse_amd64	30.003 MiB
✅	iot_agent_deb_amd64	43.002 MiB
✅	iot_agent_deb_arm64	40.123 MiB
✅	iot_agent_deb_armhf	40.704 MiB
✅	iot_agent_rpm_amd64	43.003 MiB
✅	iot_agent_suse_amd64	43.003 MiB

On-wire sizes (compressed)

	Quality gate	Change	Size (prev → curr → max)
✅	agent_deb_amd64	-37.09 KiB (0.02% reduction)	173.547 → 173.511 → 174.490
✅	agent_deb_amd64_fips	-35.78 KiB (0.02% reduction)	172.401 → 172.366 → 173.750
✅	agent_heroku_amd64	-3.57 KiB (0.00% reduction)	87.108 → 87.105 → 88.450
✅	agent_msi	+16.0 KiB (0.01% increase)	142.840 → 142.855 → 143.020
✅	agent_rpm_amd64	+12.36 KiB (0.01% increase)	176.090 → 176.102 → 177.660
✅	agent_rpm_amd64_fips	+45.54 KiB (0.03% increase)	175.325 → 175.370 → 176.600
✅	agent_rpm_arm64	-5.96 KiB (0.00% reduction)	159.540 → 159.535 → 161.260
✅	agent_rpm_arm64_fips	neutral	158.902 MiB
✅	agent_suse_amd64	+12.36 KiB (0.01% increase)	176.090 → 176.102 → 177.660
✅	agent_suse_amd64_fips	+45.54 KiB (0.03% increase)	175.325 → 175.370 → 176.600
✅	agent_suse_arm64	-5.96 KiB (0.00% reduction)	159.540 → 159.535 → 161.260
✅	agent_suse_arm64_fips	neutral	158.902 MiB
✅	docker_agent_amd64	+2.12 KiB (0.00% increase)	261.166 → 261.168 → 262.450
✅	docker_agent_arm64	-5.75 KiB (0.00% reduction)	250.216 → 250.211 → 252.630
✅	docker_agent_jmx_amd64	neutral	329.802 MiB
✅	docker_agent_jmx_arm64	-9.1 KiB (0.00% reduction)	314.836 → 314.827 → 317.270
✅	docker_cluster_agent_amd64	neutral	63.850 MiB
✅	docker_cluster_agent_arm64	neutral	60.148 MiB
✅	docker_cws_instrumentation_amd64	neutral	2.994 MiB
✅	docker_cws_instrumentation_arm64	neutral	2.726 MiB
✅	docker_dogstatsd_amd64	neutral	15.017 MiB
✅	docker_dogstatsd_arm64	neutral	14.349 MiB
✅	dogstatsd_deb_amd64	neutral	7.938 MiB
✅	dogstatsd_deb_arm64	neutral	6.816 MiB
✅	dogstatsd_rpm_amd64	neutral	7.948 MiB
✅	dogstatsd_suse_amd64	neutral	7.948 MiB
✅	iot_agent_deb_amd64	neutral	11.264 MiB
✅	iot_agent_deb_arm64	neutral	9.632 MiB
✅	iot_agent_deb_armhf	neutral	9.826 MiB
✅	iot_agent_rpm_amd64	neutral	11.279 MiB
✅	iot_agent_suse_amd64	neutral	11.279 MiB