Revert "Modifed ReqIF File for SRS Ch3 to add traceability and better modification"

This reverts commit 7cd398241c7899032ef5bfe007a63acc968f89d7.
Changed Ch8 ReqIf to support traceability
Changed Ch7 ReqIf to support traceability
Changed Ch6 ReqIf to support traceability
Changed Ch5 ReqIf to support traceability
Changed Ch4 ReqIf to support traceability
Changed Ch3 ReqIf to support traceability
Changed Ch2 ReqIf to support traceability
Changed Ch1 ReqIf to support traceability
Guideline to Prepare Doors ReqIF exports for ProR traceability
Merge pull request #27 from janWelte/SysML_modeling

Modified ReqIF Models for ProR traceability