PHOENIX-6471 Revert PHOENIX-5387 to remove unneeded CPL 1.0 license

[ankitsinghal]

Revert "PHOENIX-5387 - Added LICENSE message for phoenix-pherf's use of system-rules"

This reverts commit 10e37a1.

[stoty]

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
+0 🆗	reexec	5m 38s	Docker mode activated.
		_ Prechecks _
+1 💚	dupname	0m 0s	No case conflicting files found.
+1 💚	@author	0m 0s	The patch does not contain any @author tags.
		_ 4.x Compile Tests _
		_ Patch Compile Tests _
+1 💚	shellcheck	0m 0s	There were no new shellcheck issues.
+1 💚	shelldocs	0m 1s	There were no new shelldocs issues.
+1 💚	whitespace	0m 0s	The patch has no whitespace issues.
		_ Other Tests _
+1 💚	asflicense	0m 11s	The patch does not generate ASF License warnings.
		6m 29s

Subsystem	Report/Notes
Docker	ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hadoop.apache.org/job/Phoenix/job/Phoenix-PreCommit-GitHub-PR/job/PR-1234/1/artifact/yetus-general-check/output/Dockerfile
GITHUB PR	#1234
Optional Tests	dupname asflicense shellcheck shelldocs
uname	Linux acb3a65d39d4 4.15.0-128-generic #131-Ubuntu SMP Wed Dec 9 06:57:35 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	dev/phoenix-personality.sh
git revision	4.x / 0e2b826
Max. process+thread count	43 (vs. ulimit of 30000)
modules	C: . U: .
Console output	https://ci-hadoop.apache.org/job/Phoenix/job/Phoenix-PreCommit-GitHub-PR/job/PR-1234/1/console
versions	git=2.7.4 maven=3.3.9 shellcheck=0.7.0
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