go/common/version: Remove MajorMinor() method from Version type

It is no longer used.

runtime/src/common/version.rs: Remove corresponding Version's
major_minor() method.

.changelog/3360.breaking.2.md

@@ -0,0 +1 @@
+go/common/version: Remove `MajorMinor()` method from `Version` type

go/common/version/version.go

@@ -54,18 +54,6 @@ func (v Version) MaskNonMajor() Version {
 	}
 }
 
-// MajorMinor extracts major and minor segments of the Version only.
-//
-// This is useful for comparing protocol version since the patch segment can be
-// ignored.
-func (v Version) MajorMinor() Version {
-	return Version{
-		Major: v.Major,
-		Minor: v.Minor,
-		Patch: 0,
-	}
-}
-
 var (
 	// SoftwareVersion represents the Oasis Core's version and should be set
 	// by the linker.

go/common/version/version_test.go

@@ -18,18 +18,6 @@ func TestMaskNonMajor(t *testing.T) {
 	require.NotEqual(v1.MaskNonMajor(), v4.MaskNonMajor(), "version.MaskNonMajor() should not match")
 }
 
-func TestMajorMinor(t *testing.T) {
-	require := require.New(t)
-
-	v1 := Version{1, 1, 0}
-	v2 := Version{1, 1, 5}
-	v3 := Version{1, 1, 10}
-	require.Equal(v1.MajorMinor(), v2.MajorMinor(), "version.MajorMinor() should match")
-	require.Equal(v2.MajorMinor(), v3.MajorMinor(), "version.MajorMinor() should match")
-	v4 := Version{1, 2, 0}
-	require.NotEqual(v1.MajorMinor(), v4.MajorMinor(), "version.MajorMinor() should not match")
-}
-
 func TestParseSemVer(t *testing.T) {
 	require := require.New(t)
 

runtime/src/common/version.rs

@@ -30,17 +30,6 @@ impl Version {
             patch: patch,
         }
     }
-
-    /// Extract major and minor segments of the Version only.
-    ///
-    /// This is useful for comparing protocol version since the patch segment can be ignored.
-    pub fn major_minor(&self) -> Version {
-        Version {
-            major: self.major,
-            minor: self.minor,
-            patch: 0,
-        }
-    }
 }
 
 // Returns the version as a platform-dependent u64.