make+tools: remove goacc, use Go 1.20 builtin functionality

Starting with Go 1.20 the -coverprofile flag does the same that GOACC
did before.

tools/go.mod

@@ -5,7 +5,6 @@ go 1.23.6
 require (
 	github.com/btcsuite/btcd v0.24.2
 	github.com/golangci/golangci-lint v1.64.5
-	github.com/ory/go-acc v0.2.8
 	github.com/rinchsan/gosimports v0.1.5
 )
 
@@ -48,7 +47,6 @@ require (
 	github.com/butuzov/mirror v1.3.0 // indirect
 	github.com/catenacyber/perfsprint v0.8.1 // indirect
 	github.com/ccojocar/zxcvbn-go v1.0.2 // indirect
-	github.com/cespare/xxhash v1.1.0 // indirect
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
 	github.com/charithe/durationcheck v0.0.10 // indirect
 	github.com/chavacava/garif v0.1.0 // indirect
@@ -60,7 +58,6 @@ require (
 	github.com/decred/dcrd/dcrec/secp256k1/v4 v4.0.1 // indirect
 	github.com/decred/dcrd/lru v1.0.0 // indirect
 	github.com/denis-tingaikin/go-header v0.5.0 // indirect
-	github.com/dgraph-io/ristretto v0.0.2 // indirect
 	github.com/ettle/strcase v0.2.0 // indirect
 	github.com/fatih/color v1.18.0 // indirect
 	github.com/fatih/structtag v1.2.0 // indirect
@@ -90,7 +87,6 @@ require (
 	github.com/golangci/revgrep v0.8.0 // indirect
 	github.com/golangci/unconvert v0.0.0-20240309020433-c5143eacb3ed // indirect
 	github.com/google/go-cmp v0.6.0 // indirect
-	github.com/google/uuid v1.6.0 // indirect
 	github.com/gordonklaus/ineffassign v0.1.0 // indirect
 	github.com/gostaticanalysis/analysisutil v0.7.1 // indirect
 	github.com/gostaticanalysis/comment v1.4.2 // indirect
@@ -139,8 +135,6 @@ require (
 	github.com/nishanths/predeclared v0.2.2 // indirect
 	github.com/nunnatsa/ginkgolinter v0.19.0 // indirect
 	github.com/olekukonko/tablewriter v0.0.5 // indirect
-	github.com/ory/viper v1.7.5 // indirect
-	github.com/pborman/uuid v1.2.0 // indirect
 	github.com/pelletier/go-toml v1.9.5 // indirect
 	github.com/pelletier/go-toml/v2 v2.2.3 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect