Remove reference to ubuntu1804 distro (#1695)

* remove reference to `ubuntu1804` distro

Resolves warning from `evergreen validate`.

Author: kevinAlbs

.evergreen/config_generator/components/earthly.py

@@ -242,7 +242,6 @@ def earthly_task(
     "ubuntu2204-large",
     "ubuntu2004-small",
     "ubuntu2004",
-    "ubuntu1804",
     "ubuntu1804-medium",
     "debian10",
     "debian11",

.evergreen/generated_configs/tasks.yml

@@ -981,7 +981,6 @@ tasks:
       - ubuntu2204-large
       - ubuntu2004-small
       - ubuntu2004
-      - ubuntu1804
       - ubuntu1804-medium
       - debian10
       - debian11
@@ -1019,7 +1018,6 @@ tasks:
       - ubuntu2204-large
       - ubuntu2004-small
       - ubuntu2004
-      - ubuntu1804
       - ubuntu1804-medium
       - debian10
       - debian11
@@ -1057,7 +1055,6 @@ tasks:
       - ubuntu2204-large
       - ubuntu2004-small
       - ubuntu2004
-      - ubuntu1804
       - ubuntu1804-medium
       - debian10
       - debian11
@@ -1095,7 +1092,6 @@ tasks:
       - ubuntu2204-large
       - ubuntu2004-small
       - ubuntu2004
-      - ubuntu1804
       - ubuntu1804-medium
       - debian10
       - debian11
@@ -1133,7 +1129,6 @@ tasks:
       - ubuntu2204-large
       - ubuntu2004-small
       - ubuntu2004
-      - ubuntu1804
       - ubuntu1804-medium
       - debian10
       - debian11
@@ -1171,7 +1166,6 @@ tasks:
       - ubuntu2204-large
       - ubuntu2004-small
       - ubuntu2004
-      - ubuntu1804
       - ubuntu1804-medium
       - debian10
       - debian11
@@ -1209,7 +1203,6 @@ tasks:
       - ubuntu2204-large
       - ubuntu2004-small
       - ubuntu2004
-      - ubuntu1804
       - ubuntu1804-medium
       - debian10
       - debian11
@@ -1251,7 +1244,6 @@ tasks:
       - ubuntu2204-large
       - ubuntu2004-small
       - ubuntu2004
-      - ubuntu1804
       - ubuntu1804-medium
       - debian10
       - debian11