chore: Delete redundant test files - now inline in Org files

Deleted duplicates:
- library/communication-tests.lisp
- tests/pipeline-*-tests.lisp (moved to inline in perceive/reason/act.org)
- tests/boot-sequence-tests.lisp (inline in skills.org)
- tests/memory-tests.lisp (inline in memory.org)
- tests/immune-system-tests.lisp (inline in loop.org)
- tests/communication-tests.lisp (inline in communication.org)
- tests/pipeline-tests.lisp (split into perceive/reason/act)

tests/immune-system-tests.lisp

@@ -1,25 +0,0 @@
-(defpackage :opencortex-immune-system-tests
-  (:use :cl :fiveam :opencortex)
-  (:export #:immune-suite))
-
-(in-package :opencortex-immune-system-tests)
-
-(def-suite immune-suite
-  :description "Verification of the Immune System (Core Error Hooks).")
-
-(in-suite immune-suite)
-
-(test loop-error-injection
-  "Verify that a crash in think/decide triggers a :loop-error stimulus."
-  (clrhash opencortex::*skills-registry*)
-  (opencortex:defskill :evil-skill
-    :priority 100
-    :trigger (lambda (ctx) (eq (getf (getf ctx :payload) :sensor) :user-input))
-    :probabilistic (lambda (ctx) (error "CRITICAL BRAIN FAILURE"))
-    :deterministic nil)
-  
-  (opencortex:harness-log "CLEAN LOG")
-  (opencortex:process-signal '(:type :EVENT :payload (:sensor :user-input)))
-  (let ((logs (opencortex:context-get-system-logs 20)))
-    (is (not (null (find-if (lambda (line) (search "CRITICAL BRAIN FAILURE" line)) logs))))
-    (is (not (null (find-if (lambda (line) (search "EVENT (LOOP-ERROR)" line)) logs))))))