TEZ-4652: ASF logo is too big

[okumin]

Now, we see a very outstanding ASF logo.
https://tez.apache.org/

Migrate to SVG

The official site does not mention the existence of asf_logo_wide.png. Though it is still available, I'm not sure if it is permanent. So, this will unlink it and use the SVG file.

Use the absolute size

The original one used a relative size so that the entire height becomes 82px. As asf_logo_wide becomes much larger, this PR switched to the absolute size & auto-resize.

[okumin]

I felt the Oak Leaf looked clogged without the padding. That's why I added 4px.

This is the current view.

[tez-yetus]

🎊 +1 overall

Vote	Subsystem	Runtime	Logfile	Comment
+0 🆗	reexec	22m 40s		Docker mode activated.
			_ Prechecks _
+1 💚	dupname	0m 0s		No case conflicting files found.
+0 🆗	detsecrets	0m 0s		detect-secrets was not available.
+0 🆗	xmllint	0m 0s		xmllint was not available.
+1 💚	@author	0m 0s		The patch does not contain any @author tags.
			_ master Compile Tests _
+1 💚	mvninstall	12m 2s		master passed
+1 💚	mvnsite	0m 57s		master passed
			_ Patch Compile Tests _
+1 💚	mvninstall	0m 10s		the patch passed
+1 💚	codespell	0m 27s		No new issues.
+1 💚	blanks	0m 0s		The patch has no blanks issues.
+1 💚	mvnsite	0m 13s		the patch passed
			_ Other Tests _
+1 💚	asflicense	0m 16s		The patch does not generate ASF License warnings.
		37m 40s

Subsystem	Report/Notes
Docker	ClientAPI=1.51 ServerAPI=1.51 base: https://ci-hadoop.apache.org/job/tez-multibranch/job/PR-435/1/artifact/out/Dockerfile
GITHUB PR	#435
Optional Tests	dupname asflicense codespell detsecrets mvnsite xmllint
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Build tool	maven
Personality	/home/jenkins/jenkins-home/workspace/tez-multibranch_PR-435/src/.yetus/personality.sh
git revision	master / eeb7eff
Max. process+thread count	85 (vs. ulimit of 5500)
modules	C: docs U: docs
Console output	https://ci-hadoop.apache.org/job/tez-multibranch/job/PR-435/1/console
versions	git=2.43.0 maven=3.8.7 codespell=2.0.0
Powered by	Apache Yetus 0.15.1 https://yetus.apache.org

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[zabetak]

Changes LGTM. In fact, since there is no obligation/requirement to have the ASF logo in the project's website we could even drop it completely.

[ayushtkn]

LGTM

[ayushtkn]

@zabetak I was planning to merge this, Just wanted to confirm if you are ok with merging this. Maybe we can discuss removal of ASF logo separately, maybe with wider audience on dev@ if you feel so

[zabetak]

@ayushtkn Sure, I am ok to merge this that's why I approved the PR. Don't feel strongly about the removal but it can certainly make things simpler from both legal and visual part :)