Remove duplicate tycho.version

Author: akurtakov

eclipse.platform.releng/bundles/org.eclipse.rcp/pom.xml

@@ -25,7 +25,6 @@
       <plugin>
         <groupId>org.eclipse.tycho</groupId>
         <artifactId>tycho-packaging-plugin</artifactId>
-        <version>${tycho.version}</version>
         <configuration>
           <format>'v${buildTimestamp}'</format>
         </configuration>

eclipse.platform.releng/bundles/org.eclipse.sdk.examples/pom.xml

@@ -25,7 +25,6 @@
       <plugin>
         <groupId>org.eclipse.tycho</groupId>
         <artifactId>tycho-packaging-plugin</artifactId>
-        <version>${tycho.version}</version>
         <configuration>
           <format>'v${buildTimestamp}'</format>
         </configuration>

eclipse.platform.releng/bundles/org.eclipse.sdk.tests/pom.xml

@@ -25,7 +25,6 @@
       <plugin>
         <groupId>org.eclipse.tycho</groupId>
         <artifactId>tycho-packaging-plugin</artifactId>
-        <version>${tycho.version}</version>
         <configuration>
           <format>'v${buildTimestamp}'</format>
         </configuration>

eclipse.platform.releng/features/org.eclipse.rcp/pom.xml

@@ -26,7 +26,6 @@
       <plugin>
         <groupId>org.eclipse.tycho</groupId>
         <artifactId>tycho-source-plugin</artifactId>
-        <version>${tycho.version}</version>
         <executions>
           <execution>
             <phase>package</phase>
@@ -45,7 +44,6 @@
       <plugin>
         <groupId>org.eclipse.tycho</groupId>
         <artifactId>tycho-p2-plugin</artifactId>
-        <version>${tycho.version}</version>
         <executions>
           <execution>
             <id>attach-p2-metadata</id>

eclipse.platform.releng/features/org.eclipse.sdk.examples-feature/pom.xml

@@ -27,7 +27,6 @@
       <plugin>
         <groupId>org.eclipse.tycho</groupId>
         <artifactId>tycho-source-plugin</artifactId>
-        <version>${tycho.version}</version>
         <executions>
           <execution>
             <phase>package</phase>
@@ -51,7 +50,6 @@
       <plugin>
         <groupId>org.eclipse.tycho</groupId>
         <artifactId>tycho-p2-plugin</artifactId>
-        <version>${tycho.version}</version>
         <executions>
           <execution>
             <id>attach-p2-metadata</id>