Remove CCIP 1.5 (#14739)

* rm commit, e2e ramp tests

* move various tests to use 1.6 ramps

* rm ramps

* rm 1.5 fully

* clean up internal

* em rmn, mocks, etc

* Update ccip.gas-snapshot

* rm wrapper gen logic

* rm rmn

* Create sharp-avocados-arrive.md

* [Bot] Update changeset file with jira issues

* rm proxy pools

* fix solhint issues, fix CCIPReaderTester

* rm CCIPReaderTester

* rename internal

* turn off legacy test

---------

Co-authored-by: app-token-issuer-infra-releng[bot] <120227048+app-token-issuer-infra-releng[bot]@users.noreply.github.com>

contracts/.changeset/sharp-avocados-arrive.md

@@ -0,0 +1,8 @@
+---
+'@chainlink/contracts': patch
+---
+
+#internal remove CCIP 1.5
+
+
+PR issue: CCIP-3748

contracts/.solhintignore

@@ -36,7 +36,6 @@
 ./src/v0.8/llo-feeds/test
 ./src/v0.8/vrf/testhelpers
 ./src/v0.8/functions/tests
-./src/v0.8/ccip/test
 
 # Always ignore vendor
 ./src/v0.8/vendor

contracts/scripts/native_solc_compile_all_ccip

@@ -8,9 +8,7 @@ echo " └───────────────────────
 
 SOLC_VERSION="0.8.24"
 OPTIMIZE_RUNS=26000
-OPTIMIZE_RUNS_OFFRAMP=18000
-OPTIMIZE_RUNS_ONRAMP=4100
-OPTIMIZE_RUNS_MULTI_OFFRAMP=800
+OPTIMIZE_RUNS_OFFRAMP=800
 
 
 SCRIPTPATH="$( cd "$(dirname "$0")" >/dev/null 2>&1 ; pwd -P )"
@@ -28,18 +26,10 @@ compileContract () {
   local optimize_runs=$OPTIMIZE_RUNS
 
   case $1 in
-    "ccip/offRamp/EVM2EVMOffRamp.sol")
+    "ccip/offRamp/OffRamp.sol")
     echo "OffRamp uses $OPTIMIZE_RUNS_OFFRAMP optimizer runs."
       optimize_runs=$OPTIMIZE_RUNS_OFFRAMP
       ;;
-    "ccip/offRamp/OffRamp.sol")
-    echo "MultiOffRamp uses $OPTIMIZE_RUNS_MULTI_OFFRAMP optimizer runs."
-      optimize_runs=$OPTIMIZE_RUNS_MULTI_OFFRAMP
-      ;;
-    "ccip/onRamp/EVM2EVMOnRamp.sol")
-    echo "OnRamp uses $OPTIMIZE_RUNS_ONRAMP optimizer runs."
-      optimize_runs=$OPTIMIZE_RUNS_ONRAMP
-      ;;
   esac
 
   solc --overwrite --optimize --optimize-runs $optimize_runs --metadata-hash none \
@@ -53,21 +43,16 @@ compileContract () {
 
 # Solc produces and overwrites intermediary contracts.
 # Contracts should be ordered in reverse-import-complexity-order to minimize overwrite risks.
-compileContract ccip/offRamp/EVM2EVMOffRamp.sol
 compileContract ccip/offRamp/OffRamp.sol
-compileContract ccip/rmn/RMNRemote.sol
-compileContract ccip/rmn/RMNHome.sol
+compileContract ccip/FeeQuoter.sol
+compileContract ccip/onRamp/OnRamp.sol
 compileContract ccip/applications/PingPongDemo.sol
-compileContract ccip/applications/SelfFundedPingPong.sol
 compileContract ccip/applications/EtherSenderReceiver.sol
-compileContract ccip/onRamp/OnRamp.sol
-compileContract ccip/onRamp/EVM2EVMOnRamp.sol
-compileContract ccip/CommitStore.sol
+compileContract ccip/rmn/RMNRemote.sol
+compileContract ccip/rmn/RMNHome.sol
+compileContract ccip/rmn/ARMProxy.sol
 compileContract ccip/MultiAggregateRateLimiter.sol
 compileContract ccip/Router.sol
-compileContract ccip/FeeQuoter.sol
-compileContract ccip/RMN.sol
-compileContract ccip/ARMProxy.sol
 compileContract ccip/tokenAdminRegistry/TokenAdminRegistry.sol
 compileContract ccip/tokenAdminRegistry/RegistryModuleOwnerCustom.sol
 compileContract ccip/capability/CCIPHome.sol
@@ -80,18 +65,12 @@ compileContract ccip/pools/LockReleaseTokenPool.sol
 compileContract ccip/pools/BurnMintTokenPool.sol
 compileContract ccip/pools/BurnFromMintTokenPool.sol
 compileContract ccip/pools/BurnWithFromMintTokenPool.sol
-compileContract ccip/pools/LockReleaseTokenPoolAndProxy.sol
-compileContract ccip/pools/BurnMintTokenPoolAndProxy.sol
-compileContract ccip/pools/BurnWithFromMintTokenPoolAndProxy.sol
-compileContract ccip/pools/BurnWithFromMintRebasingTokenPool.sol
 compileContract ccip/pools/TokenPool.sol
 
 
 # Test helpers
 compileContract ccip/test/helpers/BurnMintERC677Helper.sol
-compileContract ccip/test/helpers/CommitStoreHelper.sol
 compileContract ccip/test/helpers/MessageHasher.sol
-compileContract ccip/test/helpers/CCIPReaderTester.sol
 compileContract ccip/test/helpers/USDCReaderTester.sol
 compileContract ccip/test/helpers/ReportCodec.sol
 compileContract ccip/test/helpers/receivers/MaybeRevertMessageReceiver.sol