Move duplicated 900270 to 900280
Move duplicated 900270 to 900280

Fixes #1236.

SpiderLabs/owasp-modsecurity-crs,SpiderLabs/owasp-modsecurity-crs,SpiderLabs/owasp-modsecurity-crs,coreruleset/coreruleset,coreruleset/coreruleset,coreruleset/coreruleset,coreruleset/coreruleset,coreruleset/coreruleset,SpiderLabs/owasp-modsecurity-crs,SpiderLabs/owasp-modsecurity-crs,coreruleset/coreruleset,SpiderLabs/owasp-modsecurity-crs,SpiderLabs/owasp-modsecurity-crs