app-misc/icdiff: remove unused patch

Signed-off-by: Michael Mair-Keimberger <mmk@levelnine.at>
Part-of: https://github.com/gentoo/gentoo/pull/41761
Signed-off-by: Conrad Kostecki <conikost@gentoo.org>

app-misc/icdiff/files/icdiff-2.0.6-tests.patch

@@ -1,40 +0,0 @@
-diff --git a/test.sh b/test.sh
-index 317a752..10456ff 100755
---- a/test.sh
-+++ b/test.sh
-@@ -158,9 +158,9 @@ check_gold 0 gold-identical-on.txt tests/input-{1,1}.txt -s
- check_gold 2 gold-bad-encoding.txt tests/input-{1,2}.txt --encoding=nonexistend_encoding
- check_gold 0 gold-recursive-with-exclude.txt --recursive -x c tests/{a,b} --cols=80
- check_gold 1 gold-recursive-with-exclude2.txt --recursive -x 'excl*' tests/test-with-exclude/{a,b} --cols=80
--check_gold 0 gold-exit-process-sub tests/input-1.txt <(cat tests/input-1.txt) --cols=80
-+check_gold 0 gold-exit-process-sub tests/input-1.txt <(cat tests/input-1.txt) --no-headers --cols=80
- 
--rm tests/permissions-{a,b}
-+rm -f tests/permissions-{a,b}
- touch tests/permissions-{a,b}
- check_gold 0 gold-permissions-same.txt tests/permissions-{a,b} -P --cols=80
- 
-@@ -173,7 +173,7 @@ check_gold 1 gold-permissions-diff-text.txt tests/permissions-{a,b} -P --cols=80
- 
- echo -e "\04" >> tests/permissions-b
- check_gold 1 gold-permissions-diff-binary.txt tests/permissions-{a,b} -P --cols=80
--rm tests/permissions-{a,b}
-+rm -f tests/permissions-{a,b}
- 
- if git show 4e86205629 &> /dev/null; then
-   # We're in the repo, so test git.
-@@ -209,7 +209,7 @@ function ensure_installed() {
- 
- ensure_installed "black"
- echo 'Running black formatter...'
--if ! black icdiff --line-length 79 --check; then
-+if ! black icdiff --quiet --line-length 79 --check; then
-   echo ""
-   echo 'Consider running `black icdiff --line-length 79`'
-   fail
-diff --git a/tests/gold-exit-process-sub b/tests/gold-exit-process-sub
-index 3885e20..e69de29 100644
---- a/tests/gold-exit-process-sub
-+++ b/tests/gold-exit-process-sub
-@@ -1 +0,0 @@
--tests/input-1.txt                       /dev/fd/63