mem-ruby: Remove inexistent functions from Util

Remove forward declaration of inexistent functions from RubySlicc_Util.sm.

Change-Id: I548bd75cb570371fbdaccf914c5eb9a7b92313d1
Signed-off-by: Daniel R. Carvalho <odanrc@yahoo.com.br>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/21086
Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com>
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Reviewed-by: Anthony Gutierrez <anthony.gutierrez@amd.com>
Maintainer: Jason Lowe-Power <jason@lowepower.com>
Tested-by: kokoro <noreply+kokoro@google.com>
diff --git a/src/mem/ruby/protocol/RubySlicc_Util.sm b/src/mem/ruby/protocol/RubySlicc_Util.sm
index 848f8c2..f509d09 100644
--- a/src/mem/ruby/protocol/RubySlicc_Util.sm
+++ b/src/mem/ruby/protocol/RubySlicc_Util.sm
@@ -31,16 +31,12 @@
 
 void error(std::string msg);
 void assert(bool condition);
-int random(int number);
 Cycles zero_time();
 NodeID intToID(int nodenum);
 int IDToInt(NodeID id);
 int addressToInt(Addr addr);
 Addr intToAddress(int addr);
-void procProfileCoherenceRequest(NodeID node, bool needCLB);
-void dirProfileCoherenceRequest(NodeID node, bool needCLB);
 int max_tokens();
-Addr setOffset(Addr addr, int offset);
 Addr makeLineAddress(Addr addr);
 int getOffset(Addr addr);
 int mod(int val, int mod);